Answers
Related Questions
work out (7.3 x 10^5) + (4x 10^5) in standard index form
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The sum written in standard index form is 1.13*10^6
How to add numbers in scientific notation?
So here we want to add two numbers that are written in scientific notation, these are:
(7.3*10^5) + (4*10^5)
Now we can take the factor "10^5" as a common factor, so we can write:
(7.3*10^5) + (4*10^5) = (7.3 + 4)*10^5 = 11.3*10^5
Now we want to write this in standard index form (this is scientific notation), so we can have only one decimal on the left side of the decimal point, then we can write this as:
11.3*10^5 = 1.13*10^6
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The probabilities of randomly picking a green counter from three different bags are given below.
Order these bags from the lowest probability to the highest probability.
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Answer:
Lowest to highest
7/10 , 11/15, 4/5
Step-by-step explanation:
Probably the easiest way to do this is to convert each of the fractions to decimals which will clearly indicate which is the highest and which the lowest etc.
4/5 = 0.80
11/15 = 0.73
7/10 = 0.7
0.7 is less than 0.73 is less than 0.80
So 7/10, 11/15, 4/5
However, I am assuming they want you to work with fractions
To compare fractions you have to get all the denominators equal and then compare the numerator
To get a common denominator find the Least Common Multiple of the denominators. This is the lowest number that can be divided by all three denominators
Looking at 5, 15 and 10 we can see that 30 is divisible by each denominator. So that becomes our common denominator
Now multiply each fraction denominator by a factor to make the denominator equal to the common denominator. At the same time multiply the numerator by the same factor
4/5 = (4 x 6) / (5 x 6) = 24/30 Highest
11/15 = (11 x 2) / (15 x 2) = 22/30
7/10 = (7 x 3) / (10 x 3) = 21/30 Lowest
Looking at the numerator alone we can see that 7/10 is the lowest, 11/15 is next lowest and 4/5 the highest
Please help due tonight.
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Answer:
y+1 = 5(x+2)
Step-by-step explanation:
Slope = 5 = (y - -1) /(x - -2)
So 5 = (y+1)/(x+2)
Meaning y+1 = 5(x+2)
Please answer the two questions ( Look at photo + will mark brainliest if correct )
1. x = ____
2. t = ___
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Answer:
x=90*
Step-by-step explanation:
t=40
question is in picture
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The correct option is (D) △ABC and △FED are not similar because the corresponding sides of the triangles are not in proportion.
What is the congruency of triangles?Triangle congruence: If all three corresponding sides and all three corresponding angles are equal in size, two triangles are said to be congruent. Slide, rotate, flip, and turn these triangles to create an identical appearance. They are in alignment with one another when moved.So, the two given triangles are:
△ABC and △DEF with no sides identical to the other.
Then, we can conclude that no congruency condition with a side statement is true.So, options (A) is (C) are incorrect.
∠B and ∠E do not seem to be identical.So, option (B) is also incorrect.
Since no sides are identical to each other then we can say that the given two triangles are not congruent when concluding that the answer to this problem is an option (D).
Therefore, the correct option is (D) △ABC and △FED are not similar because the corresponding sides of the triangles are not in proportion.
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HELP HELP HELP PLEASE
What the answer to the question 1+1
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Answer: 1+1=21
Step-by-step explanation:
It's just facts >:)
Answer:2
Step-by-step explanation:
Evaluate b(x)=18-0.5x
b(-2)=
b(0)=
b(5)=
Answers
Answer:
b(-2)=19
b(0)=18
b(5)=15.5
Step-by-step explanation:
You substitute all x values with the number stated in each question.
Example= b(-2) --> 18-0.5(-2)
Can somebody help me with this please? I've been stuck for a hot minute.
Answers
Answer:
x = 30, and the measure of NMO is 64°
Step-by-step explanation:
Since MO bisects LMN, it follows that LMO is congruent to NMO, and the measure of LMN is twice the measure of LMO and of NMO. So we have:
[tex]5x - 22 = 2(x + 34)[/tex]
[tex]5x - 22 = 2x + 68[/tex]
[tex]3x = 90[/tex]
[tex]x = 30[/tex]
So the measure of NMO is equal to the measure of LMO:
[tex]30 + 34 = 64[/tex]
LMO and NMO are 64°.
Answer:
x=30
MO bisects LMN
so LMO = NMO
then LMO+NMO=LMN
help me i dont get this
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Answer:
Irrational Rational
7.12 ✔
7.122 ✔
7.123123 ✔
7.123231... ✔
This should be right I apologize if it's not!
Mark me brainiest if it is tho :D
The temperature in Anchorage Alaska at 6am was -18 degrees. A scientist recorded the change in temperature over the next 5 hours. the increase and decreases in temperature can be presented as: -3 degrees, +7 degrees, +11 degrees, -5 degrees, +2 degrees. What was the temperature in Anchorage Alaska after 5 hours?
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Answer: -6 degrees
Step-by-step explanation: First take -18 then subtract by 3, add 7, add 11, subtract 5, and finally add 2. All of those numbers come from the problem stated.
two cards are selected without replacement from a standard deck of 52 cards. what is the probability that both cards are the same color (either both black or both red)? round to three decimal places.
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The probability of getting both the card with same color is 0.245
Total No. of cards in a deck = 52
The cards having the same color (either black or red ) = 26 out of 52
which is 26/52
The probability of finding a card having the same color without a replacement
P = 26/52 x 25/51
[∵ After taking one card, the total no . of cards will be 51 and the card having the same color is 25]
= 1/2 x 25/51
= 0.5 x 0.49
P = 0.245098
Therefore, the probability that both cards are the same color is 0.245098
We need to round off it to three decimals, Thus
The probability that both cards are the same color is 0.245
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Complete the following proof that states “The acute angles of a right triangle are complementary”
Given: △ABC and m
Prove:
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The final statement that proves that “The acute angles of a right triangle are complementary” is when the sum of two angles is equal to 90 degrees, they are called complementary angles. For example, 35 degrees and 55 degrees are complementary angles.
What is the complete proof?Statements:
Given Triangle ABC [See attached]Angle C is a right angleAngle C = 90 degrees (This is because every right angle is 90°)A + B + C = 180 degrees (This is because the sum of the measures of the angles of a triangle is 180°)A + B + 90 = 180 (Justification: substitution from 3 above)A + B = 90 (Justification: Subtraction property of equality)A and B are complementary (Justification: Two angles whose sum is 90 degrees are complementary)QED
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Find the surface area
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well, from the picture, the cylinder has a diameter of 12, thus a radius of 6 and a height of 40, so
[tex]\textit{surface area of a cylinder}\\\\ SA=2\pi r(h+r)~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=6\\ h=40 \end{cases}\implies SA=2\pi (6)(40+6) \\\\\\ SA=12\pi (46)\implies\implies SA=552\pi[/tex]
s=1/2pl+b solve for l
Answers
[tex]s=(\frac{1}{2} p)(l)[/tex]
Flip equation:
[tex]\frac{1}{2} lp=s[/tex]
Divide both sides by p/2:
[tex]\frac{1/2lp}{p/2} =\frac{s}{p/2}[/tex]
[tex]l=\frac{2s}{p}[/tex]
Find the sum of the AP: 2,7,12 to 10 terms.
Answers
Answer:
Clearly, the given sequence is an AP with first term a=2, common difference d=5 and n=10.
Now,
s10 = 10/2 (2a + 10-1d)
=5(2x2+9x5)
=245
Step-by-step explanation:
Answer:
S₁₀ = 245
Step-by-step explanation:
the sum to n terms of an AP is
[tex]S_{n}[/tex] = [tex]\frac{n}{2}[/tex] [ 2a₁ + (n - 1)d ]
where a₁ is the first term and d the common difference
here a₁ = 2 and d = a₂ - a₁ = 7 - 2 = 5 , then
S₁₀ = [tex]\frac{10}{2}[/tex] [ (2 × 2) + (9 × 5) ]
= 5(4 + 45)
= 5 × 49
= 245
Answer this please.
Solve the equation.
–2d = –11.18
A. 22.36
B. –9.18
C. –13.18
D. 5.59
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Answer:
d =5.59
Step-by-step explanation:
Solve the equation.
–2d = –11.18
Divide each side by -2
–2d/-2 = –11.18/-2
d =5.59
6(x + 1) - 5(x + 2) simplify
Answers
Answer:x - 4
Step-by-step explanation:6x + 6 - 5x - 10 = x-4
you play a game in which you must pick a real number x, between 0 and 924. at the same time, the number y is uniformly and randomly selected in the same range. if x is greater than y, then you have to pay the square of the difference between the two numbers. if y is greater than or equal to x, you pay double the difference.
Answers
Answer: about 2.2 times 8^8
Step-by-step explanation:
Pay the money x=y^2
What is the amplitude of y = 6 tan(7x) − 2 ?
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Answer:
i made the link for the website i used so u can use in in simlar situations
Step-by-step explanation:
Solve for
y
.
y
=
6
√
tan
(
7
x
)
−
2
y
=
−
6
√
tan
(
7
x
)
−
2
its math w a yyyy .com
Hanna wants to buy fruit snacks to share with four of her friends. how many snacks will each person get if she shares a bag of 120 fruit snacks equally?
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Answer:
are u 6 it's 30 fruit snacks
Step-by-step explanation:
120÷4(she has more friends then u lol)=30
Dionne has six steel balls of equal mass. If she puts five of them in one pan of a beam balance and one ball and a 100 g mass in the other pan, the pans balance each other. What is the mass of each steel ball?
PLEASE HELP
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Answer:
25g
Step-by-step explanation:
If one ball + 100g = 5 balls, then 100g = 4 balls
100/4 = 25
PLEASE HALP WHAT IS THIS
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Answer:
See below
Step-by-step explanation:
Given expression
[tex](\cfrac{4^{-2}}{3^4*4^{-3}})^3[/tex]Simplify it as below:
[tex](\cfrac{4^{-2-(-3)}}{3^4})^3=[/tex] Negative exponent rule[tex](\cfrac{4^1{}}{3^4})^3=[/tex] Simplify[tex]\cfrac{4^3{}}{3^{4*3}}=[/tex] Power of power rule[tex]\cfrac{4^3{}}{3^{12}}=[/tex] Simplify, can be left as is[tex]\cfrac{64}{531441}[/tex] or calculatedthe temperature in montreal was -15 degrees. in nyc the temperature was 11 degrees . how many degrees warmer was the temperature in nyc
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Montreal = -15 degrees
NYC= 11 degrees
Then we must come up with an equation to figure out the difference (subtraction) between the two temps.
We use “X” because we don’t know the difference (answer) yet…
X-15=11
We are setting the equation equal to 11 because we are trying to figure out how much warmer NYC is compared to MONTREAL.
Then all we must do is solve for x.
Remember all variables must stay to one side and ANY number that switches sides between the equal sign (=) must switch their signs…
So… because -15 was negative (-) it changed to (+)… BUT if the 15 was positive (+) it WOULD change to negative (-).
A salesperson earns a commission of $336 for selling $2800 in merchandise find the commission rate
Answers
Answer:
12% commission rate
Step-by-step explanation:
A salesperson earns a commission of $336 for selling $2800 in merchandise find the commission rate:
336 ÷ 2,800 = 0.12
0.12 = 12% commission rate
........................................
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Answer:
0
Step-by-step explanation:
You inputted nothing.
g(n) = 2n
h(n)= n²-4
Find g(-9) + h(-9)
A) 4
C) 20
B) 59
D) 95
Answers
Answer:
g(-9)+h(-9)=59
the answer is B
find f'(x) when f(x) = (x^2) - 2x. find the equation of the tangent line and the normal line at x=4
Answers
The derivate of a function f(x) is determinated as:
[tex]f^{\prime}(x)=\lim _{h\to0}\frac{f(x+h)-f(x)}{h}[/tex]For the function
[tex]f(x)=x^2-2x[/tex]First we have to determine de f ( x + h ) as follow:
[tex]f(x+h)=(x+h)^2-2(x+h)[/tex][tex]f(x+h)=x^2+2xh+h^2-2x-h^{}[/tex]Then we calculate and simplify the coeficient in the first formula
[tex]\frac{f(x+h)-f(x)}{h}[/tex][tex]\frac{(x^2+2xh+h^2-2x-h^{})-(x^2-2x)}{h}[/tex][tex]\frac{x^2+2xh+h^2-2x-h^{}-x^2+2x}{h}=\frac{h^2+2xh-h}{h}[/tex][tex]\frac{h^2+2xh-h}{h}\text{ = }\frac{h(h+2x-1)}{h}=h+2x-1[/tex]So the derivate is:[tex]f^{\prime}(x)=\lim _{h\to0}\frac{f(x+h)-f(x)}{h}=\lim _{h\to0}h+2x-1[/tex][tex]f^{\prime}(x)=0+2x-1[/tex][tex]f^{\prime}(x)=2x-1[/tex]------------------------------------------------------------------------------------The equation of the tangent:
First you need to know that the derivate of a function is equal to the slope (m) of the tangent of this function
And the equation to thist tangent in a specific point will be find using the next formula:
[tex]y-f(x_0)=m(x-x_0)_{}[/tex]We have to calculate the slope in the point x =4 using the derivate:
[tex]m=2x-1[/tex][tex]m=2(4)-1=7[/tex]In the point x=4
Calculate the value of f(x0) substituting in the function the given point x:
[tex]f(4)=4^2-2(4)\text{ = }8[/tex]Knowing that we put the value of m and f(x0) in the equation of the tangent:
[tex]y-8=7(x-4)_{}[/tex][tex]y-8=7x-28[/tex][tex]y=7x-28+8[/tex]So the equation of the tangent in x= 4 is:[tex]y=7x-20[/tex]---------------------------------------------------------------------------
The normal line
The slope of the normal line is the opposite of the slope of theu tangent in an espesific point:
[tex]m_n=-\frac{1}{m_t}[/tex]So in this situation is:
[tex]m_n=-\frac{1}{7}[/tex]The equation of the normal line is given by the next formula:
[tex]y-f(x_0)=m_n(x-x_0)_{}[/tex]Replacing the data we obtain:
[tex]y-8=-\frac{1}{7}(x-4)_{}[/tex][tex]y-8=-\frac{1}{7}x+\frac{4}{7}[/tex]So the equation of the normal line is:[tex]y=-\frac{1}{7}x+\frac{60}{7}[/tex]Evaluate the expression if
m
=
−
4
,
n
=
1
,
p
=
2
,
q
=
−
6
,
r
=
5
,
and
t
=
−
2
.
|
16
+
4
(
3
q
+
p
)
Answers
The numeric value of the expression 16 + 4(3q + p) when q = 6 and p = 2 is given by: 96.
How to find the numeric value of a function or of an expression?To find the numeric value of a function, we replace each instance of the variable in the function by the desired value. This also works for multi-variable functions or expressions, as each instance of each variable will be replaced by their attributed values.
For this problem, the expression is given by:
16 + 4(3q + p)
The attributed values are given by:
q = 6, p = 2.
Hence the numeric value of the expression is found as follows:
16 + 4(3 x 6 + 2) = 16 + 4(18 + 2) = 16 + 4 x 20 = 16 + 80 = 96.
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16. If a = 5, b = 4, and c = 7, find the value for 3(b + a) - c.
O 20
O 15
O 34
O 10
Answers
20
Explanation:
substitute the value
3(4+5)-7
3(9)-7 add 4 and 5 first
27-7 multiply 3 by 9
20 subtract
A veterinarian divided 1/2 of a bottle of medicine equally among some sick cats. She gave each cat 1/8 of a bottle of medicine. How many sick cats were there?
Answers
Answer:
4
Step-by-step explanation:
1/2 the bottle is equal to 4/8. giving 1/8 to each sick cat is 4