Refer to Expression 1 and Expression 2.
Expression 1
6⋅7−32⋅9+43
6⋅7−32⋅9+43
Expression 2
5+4⋅2+6−2⋅2−1
+⋅+−⋅−
What is the value of Expression 1?
Insert parentheses in Expression 2 so that it has a value of 19. Then show why your expression has a value of 19.
Answer:
Use the order of operations PEMDAS:
ParenthesesExponentsMultiplication and Division (from left to right)Addition and Subtraction (from left to right)Expression 1
6 ⋅ 7 - 32 ⋅ 9 + 43
= 42 - 288 + 43
= -246 + 43
= -203
Expression 2
Insert parentheses around 5 + 4:
(5 + 4) · 2 + 6 - 2 ⋅ 2 - 1
= 9 · 2 + 6 - 2 ⋅ 2 - 1
= 18 + 6 - 4 - 1
= 24 - 4 - 1
= 20 - 1
= 19
Answer:
Expression 1
6 ⋅ 7 - 32 ⋅ 9 + 43
= 42 - 288 + 43
= -246 + 43
= -203
Expression 2
Insert parentheses around 5 + 4:
(5 + 4) · 2 + 6 - 2 ⋅ 2 - 1
= 9 · 2 + 6 - 2 ⋅ 2 - 1
= 18 + 6 - 4 - 1
= 24 - 4 - 1
= 20 - 1
= 19
Step-by-step explanation:
PLEASE HELP DUE SOON!! WILL MAKE BRAINLIEST AND MAX PONTIS(DONT TAKE PONTIS WITHOUT ANWSERING WILL REPORT!!!)
Answer:
1. 71^3 = 71 * 71 * 71 = 357,911
2. 52^4 = 52 * 52 * 52* 52 = 7,311,616
3. 99^5 = 99 * 99 * 99 * 99* 99 = 9,509,900,499
4. 78^4 = 78 * 78* 78* 78 = 37,015,056
5. 8^2 = 8 * 8 = 64
6. 80^5 = 80 * 80 * 80 * 80 * 80 = 3,276,800,000
7. 98^1 = 98 = 98
8. 15^1 = 15 = 15
9. 7^3 = 7 * 7 * 7 = 343
10. 55^4 = 55 * 55 * 55 * 55 = 9,150,625
11. 67^1 = 67 = 67
12. 50^4 = 50 * 50 * 50 * 50 = 6,250,000
Answers:
1) 71^3 = 71 * 71 * 71 = 357,911
2) 52^4 = 52 * 52 * 52* 52 = 7,311,616
3) 99^5 = 99 * 99 * 99 * 99* 99 = 9,509,900,499
4) 78^4 = 78 * 78* 78* 78 = 37,015,056
5) 8^2 = 8 * 8 = 64
6) 80^5 = 80 * 80 * 80 * 80 * 80 = 3,276,800,000
7) 98^1 = 98 = 98
8) 15^1 = 15 = 15
9) 7^3 = 7 * 7 * 7 = 343
10) 55^4 = 55 * 55 * 55 * 55 = 9,150,625
11) 67^1 = 67 = 67
12) 50^4 = 50 * 50 * 50 * 50 = 6,250,000
pls answer I will mark brainliest
Answer:
the answer is 25 thats what i got
Step-by-step explanation:
35. Refer to Example 3. How many hands will have exactly three kings?
Assessment started: undefined.
Item 1
What is the absolute deviation of 30 in this data set?
{26, 35, 27, 30, 22}
2
3
5
8
Assessment navigation
Answer: The answer is 2
Step-by-step explanation:
I took the k12 test. If I'm right please mark brainliest!
The width of a rectangle is four units less that its length. Write an expression for the perimeter of the rectangle
Help please because this is due today at 6:00 P.M.
Answer:
Area, 199.5, Perimeter, 46.45
Step-by-step explanation:
1. Decompose it into 2 shapes; rectangle and triangle
2. Find the area of the triangle; 10cm×7.6cm=76×1/2=38
3. Find the area of the rectangle; 21.25cm×7.6cm=161.5
4. Add the products 38+161.5=199.5
Perimeter:
1. Decompose it into 2 shapes; rectangle and triangle
2. Find the perimeter of the triangle; 10cm+7.6cm=17.6
3. Find the perimeter of the rectangle; 21.25+7.6=28.85
4. Add the sums 17.6+28.85=46.45
can someone help please thank you
Answer:
The length of a pencil is 4.5 inches. The length of a crayon is 2.1 inches.
Step-by-step explanation:
Let pencils be p
Let crayons be c
6 pencils and 5 crayons are 37.5 inches. This will be:
6p + 5c = 37.5 ........ equation 1
7 pencils and 6 crayons are 44.1 inches. This will be:
7p + 6c = 44.1 ........ equation 2
Multiply equation 1 by 7
Multiply equation 2 by 6
42p + 35c = 262.5 (3)
42p + 36c = 264.6 (4)
Subtract 4 from 3
c = 2.1
Plug the value of c into equation 1
From equation 1
6p + 5c = 37.5
6p + 5(2.1) = 37.5
6p + 10.5 = 37.5
6p = 37.5- 10.5
6p = 27
p = 27/6
p = 4.5
hope this helps
please can i get brainliest
Evaluate the expression. 11. [tex] 3(1+8)^{2} [/tex]
help with this plaese
What is the missing value in the ratio table?
7.2
1.2
10.8
6
Answer:
The answer is 6
Step-by-step explanation:
it is 6 (y = 12x / 10)
Help asap will give brailiest
Evaluate each algebraic expression for x = 2, -4, 7, -8
a. -5x
b. 3x-7
c. X4 + 5
d. 2+x9
2. Evaluate each algebraic expression
a. Z-(5 x 3+3m ) ; use m=3, and z=2
b. 18/x +x5 – 2 ; use x=6
c. bc- c + 6 ; use b=3, and c=2
d. (7-x2+k)-3 ; use x=4, and k=2
There are 480 students and 20 teachers at a small private school. To keep the same student to teacher ratio, how many teachers are needed for 960 students?
Answer: 40
Step-by-step explanation:
480/20=960/x Cross multiply
19200=480x
x=40
Answer:
40 teachers are needed
Step-by-step explanation:
480 : 20 = 24 : 1
960/24 = 40
= 960:40
22. MULTIPLE CHOICE What number is 0.02% of 50? (Skills Review Handbook) (A) 0.01 (B) 0.1 (C) 1 (D) 100
Answer:
[tex]x = 1[/tex]
Then the answer is C
Step-by-step explanation:
1) Set a linear equation
[tex] \frac{2}{100} = \frac{x}{50} [/tex]
2) Cross multiply
[tex]100x = 2 \times 50[/tex]
3) Multiple the right side
[tex]100x = 100[/tex]
4) Divide both side by 2
[tex] \frac{100x}{100} = \frac{100}{100} [/tex]
5) Solving the linear equation
[tex]x = 1[/tex]
The answer is (C)
1. How can you find the volume of a prism?
Answer:
V= AOB × H
Step-by-step explanation:
The volume (V) of a prism is the area of the base (B) times the height (H).
Amy loaned $5 each to 10 people. She recorded each loan by writing -$5 in her bank book.What is the total change in the amount of money Amy had before the loans?
-$10
-$5
-$50
$20
Im doing 20 point questions right now look at my page.
How to write fractions in simplest form?
( I give brainliest )
It's pretty easy, take the example of this fraction... [tex]\frac{2}{4}[/tex]
What you do in here is that you note down the factors of 2 and 4 over here.
Factors of 2 and 4:
2 = 1, 2
4 = 1, 2, 4
Now, you see that the GREATEST Common Factor (GCF) over here is 2.
Now that we see the GCF of 2 and 4 is 2, what you do next is, you have to divide 2 by 2 AND 4. When you do this, you will get your results. 2 = 1 and 4 = 2, now put this in the fraction form again, meaning switch 2 with 1, and 4 with 2 in the fractions... [tex]\frac{1}{2}[/tex]
So your simplified fraction is [tex]\frac{1}2}[/tex]!
Answer:
A fraction is in simplest form when the top and bottom cannot be any smaller, while still being whole numbers.
You can simplify a fraction by dividing the top and bottom by the greatest number that will divide both numbers exactly. They must stay whole numbers.
Hopefully this picture helps explain :)
HELP PLEASE. GIVING OUT 20 POINTS.
Answer:
d≈24.49
Length 20
Width 10
Height 10
formula:
[tex]d= \sqrt{l^2+w^2+h^2} = \sqrt{20^2+10^2+10^2} = 24.4949[/tex]
Have a good day!
( 20 points ) Can somebody help me answer this?
Answer:
Naja earns 64$ per 8 hours of work
Step-by-step explanation:
2 steps:
Step 1
Divide 5 by 40 to find how much dollars per hour
[tex]\frac{40}{5} =8[/tex]
8, so that means that Naja earns $8 per hour
Step 2
Multiply 8 by 8 to get final answer
[tex]8*8=64[/tex]
$64, so that means that Naja earns 64$ per 8 hours of work
Naja earns 64$ per 8 hours of work
Answer:
$64 for 8 hrs.
Step-by-step explanation:
There are 2 ways you could do this. The easy way is the first one.
1. Divide 40 by 5 and you get 8. 2. After you get that answer, then you have to multiply 8x8=64. So she gets $64 per hour.
Then there is the harder one. This is if they say to show your work.
1. Start by putting it in this format:
5 -- 40
6 -- 48
7 -- 56
8 -- 64
So you basically just add 8 each time to get 64.
Hope this helps! Please give brainlist!
A health food store has launched a new pack of vitamins for children. The store records the number of packs ordered by a random sample of 100 online customers and the number of packs ordered by a random sample of 100 walk-in customers.
Two dot plots are shown one below the other. The title for the top dot plot is Online Customers and the title for the bottom plot is Walk-In Customers. Below the line for each dot plot is written Number of Packs. There are markings from 1 to 5 on each line at intervals of one. For the top line there are 0, 0, 1, 4, 5 dots respectively for marks from 1 to 5. For the bottom line there are 6, 2, 1, 0, 0 dots respectively for marks from 1 to 5
Which of the following inferences can be drawn about the buying pattern of the online customers versus that of the walk-in customers?
A. Online customers buy an average of four packs compared with walk-in customers, who buy an average of one pack.
B. Online customers buy an average of five packs compared with walk-in customers, who buy an average of two packs.
C. Online customers buy an average of four packs compared with walk-in customers, who buy an average of two packs.
D. Online customers buy an average of five packs compared with walk-in customers who, buy an average of one pack.
Answer: The inference to make using the median is: online customers by an average of five packs compared with walking customers who buy an average of two packs online.
Step-by-step explanation:
The inference based on the median is: online customers by an average of five packs compared with walking customers who buy an average of two packs online.
The median is the middle value, which has equal data points on the right and to the left.
The median for online customers is between 5 and 6.
The median for walk-in customers is 2.
Therefore, the inference to make using the median is: online customers by an average of five packs compared with walking customers who buy an average of two packs online.
HELP ASAP!!!!!!!!!!!!!!!!!!!!!! ^^ (WILL GIVE BRAINLIEST)
Answer:
1438 cm²
Explanation:
Rectangular prism area: 2(length × width + width × height + length × height)
Here given:
length: 19 cmwidth: 11 cmheight: 17 cmFind Surface Area:
2(19 × 11 + 11 × 17 + 19 × 17) = 2(719) = 1438 cm²
what is the radius of a cylinder with a diameter of 4 inches and a height of 7 in
Answer:
2
Step-by-step explanation:
Answer:
the answer is 2 because first of all if the diameter is 4 the radius is 2 because the radius is half of the diameter so the answer is 2.
Step-by-step explanation: give brainliest to the first people that answer it first.
what is the measure of ∠x
Step-by-step explanation:
Here x and 80° are supplementary angle so...
x + 80° = 180°
x = 180° - 80°
x = 100°
Geometry and measurement
Answer:
61/2
Step-by-step explanation:
helpp plsssssssssssssss!!!!!!!
for the rainfall in honolulu, hawaii box plot
Answer:
433 mm (17.05 inches
Step-by-step explanation:
ill give brainly but hurry
Answer:
D. 270
Step-by-step explanation:
9 + 9 = 18
18 x 15 = 270
Answer:
270
Step-by-step explanation:
1. divide the bases into separate numbers and add them together. 18.
2. multiply by the height, which is the dotted line. The result is 270.
PLS HELP!! ITS PROBABILITY!!!
A) if a family has three children, what is the probability that all three children are girls? all three children are boys?
B) what is the probability of having 2 girls and one boy?
C) what is the probability of having 2 boys and one girl?
D) josh has a younger brother. what is the probability that a third child will be another boy? explain.
Answer:
probability=number of favorable outcome÷total number of favorable outcome
Step-by-step explanation:
A the probability that all children are boys =3÷3 =1
same answer with the girl children
Answer:
A) 1/8 or 0.125 for three girls and three boys
B) 3/8 or 0.375 for two girls and one boy
C) 3/8 or 0.375 for two boys and one girl
D) 1/2 or 0.50, explanation provided below
Step-by-step explanation:
Part A) If a family has three children, the probability that all three children are girls can be found by first finding the probability of one child being a girl. The probability of being a girl in this case is 1/2. The probability of three girls is thus (1/2) * (1/2) * (1/2) = 1/8 or 0.125. The probability of one child being a boy is 1/2, and so rather than repeating the above steps, we can simply say that it is also 1/8 or 0.125.
Part B) For this part, it is probably easiest to list the combinations:
BBB
BBG
BGB
BGG
GBB
GBG
GGB
GGG
There are three outcomes with two girls and one boy and thus the probability is 3/8.
Part C) Looking at the combinations above, we also see that there are three outcomes with two boys and one girl, and thus the probability is 3/8.
Part D) The fact that Josh has a younger brother does not affect the probability that the third child will be a girl or boy. The probability of the third child being a boy is still 1/2.
Select the correct expressions.
Which expressions are equivalent to 3x + 2(x − 1) − 4?
Answer: [tex]5x-6[/tex] and [tex]3x+2x-2-4[/tex]
Step-by-step explanation:
[tex]3x+2(x-1)-4[/tex]
[tex]Simplify[/tex], [tex]Evaluate[/tex], [tex]andFactor[/tex] [tex]the[/tex] [tex]expression[/tex].
[tex]add[/tex] [tex]the[/tex] [tex]similar-terms[/tex] [tex](3x[/tex] [tex]can[/tex] [tex]be[/tex] [tex]added[/tex] [tex]with[/tex] [tex]2x[/tex] [tex]and[/tex] [tex]-2[/tex] [tex]can[/tex] [tex]be[/tex] [tex]added[/tex] [tex]with[/tex] [tex]-4):[/tex] [tex]5x-6[/tex] is correct!
[tex]Destroy[/tex] [tex]the[/tex] [tex]parenthesis[/tex] [tex]applying[/tex] [tex]applying[/tex] [tex]property[/tex] [tex]which[/tex] [tex]would[/tex] [tex]make[/tex]:[tex]3x+2x-2-4[/tex] [tex]the[/tex] [tex]correct[/tex] [tex]option[/tex].
Learn more: https://brainly.com/question/13361136
Answer:
First and the second
Step-by-step explanation:
3x + 2(x − 1) − 4
3x + 2x-2-4 5x-6It is being simplified so both of the equations are equivelent to 3x +2(x-1)-4
ASAP (I will give brainliest for most accurate answer) move the options to the blank to complete the series of transformations that will show triangle abc - def
Answer:
1. is 2
2. is right and 10
Step-by-step explanation:
just took the test will explain if needed
From the triangles given, ∆ DEF was dilated to ∆ ABC
The dilated triangle is = ∆ ABC
To find the scale factor uses for the dilation of the triangle, the length of the triangle AC and DF are considered.
AC from the scale= -2 -(-7)
= 7-2= 5
DF= 9-6.5
= 2.5
Therefore the scale factor = 5/2.5 = 2
And since the scale factor of dilation is 2 this means that ∆ A' B' C' can be translated to the 0.5 by 2 units.
Learn more about triangles here:
https://brainly.com/question/2644832
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the answer to this, i don’t understand it
Answer:
correct answer is : 19 inches
Step-by-step explanation: