Help me solve this!Merçi!​

Help Me Solve This!Meri!

Answers

Answer 1
I’m assuming this is 0.009 + 0.012, and expressing in standard form. Sorry picture isn’t very clear.
Adding the two, you’ll get: 0.021
And then expressing in standard form:
2.1 * 10^-2 or 2.1/10^2

Related Questions

The perimeter of a rectangular painting is 364cm . If the length of the painting is 96cm, what is its width?

Answers

Answer:

The width would be 86cm

Step-by-step explanation:

Perimeter is (Width*2) +(Length*2)

Length is 96, multiply by 2 : 96*2 = 192

Subtract this from the total perimeter (364-192 = 172)

Divide this by 2 to get 1 width value (172/2 = 86)

86 cm

Write an expression equivalent to
-3 + 2/3y − 4 − 1/3 y

Answers

Answer:

1/3y-7

Step-by-step explanation:

For these kinds of problems you want to combine like terms. 2/3y and -1/3y are like terms, and when adding them together, or subtracting 1/3y from 2/3y, you get 1/3y. -3 and -4 are like terms, and adding them together gives you -7. The final expression can be written as 1/3y-7.

To write an equivalent expression, we need to simplify the given expression by combining like terms. Like terms are terms that have the same variable and exponent. We can use the distributive property to remove parentheses or other grouping signs to then combine like terms.

The given expression is -3 + 2/3y - 4 - 1/3y. We can see that there are no parentheses or grouping signs, so we can skip that step. We can also see that there are two like terms: 2/3y and -1/3y. We can combine them by adding their coefficients: 2/3 + (-1/3) = 1/3. So, we get:

-3 + 2/3y - 4 - 1/3y = -3 - 4 + (2/3 - 1/3)y = -7 + (1/3)y

This is the simplified expression that is equivalent to the given expression.

Suppose that y varies directly with x
and y=
= 10 when x = 20. What is y
when x = 15?
Be sure to simplify your answer.

Answers

Answer:

[tex]10 \times 2 = 20 \\ 5 \times 3 = 15[/tex]

answer:10×2=20

5×3=15

Answer:

y = 7.5

Step-by-step explanation:

Given y varies directly with x then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition y = 10 when x = 20

10 = 20k ( divide both sides by 20 )

[tex]\frac{1}{2}[/tex] = k

y = [tex]\frac{1}{2}[/tex] x ← equation of variation

When x = 15 , then

y = [tex]\frac{1}{2}[/tex] × 15 = [tex]\frac{15}{2}[/tex] = 7.5

What's the answer to this one?

Answers

Answer:

b^(-6)

Step-by-step explanation:

The numerator of this fraction is b^(-11).  The -11 is the sum of -4 and -7.  

The denominator is b^(-5).

Recall that b^a / b^c = b^(a - c).  Thus, b^(-11) / b^(-5) = b^(-6)

Wendy borrowed a 370-page book from the library. She has already read 20 pages. The book is due back to the library in 7 days. Write an inequality to find the number of pages per day Wendy must read in order to finish the book before it is due.
0 points

Answers

Answer:

n ≥ 50

Step-by-step explanation:

Total pages = 370

Read pages = 20

Number of days remaining = 7

Reading rate per day = n

7n + 20 ≥ 370

7n ≥ 370 - 20

7n ≥ 350

n ≥ 350/7

n ≥ 50 pages per day for the remaining 7 days

Convert the equation into Standard Form.
x^2 + y^2 + 10x - 12y+45 = 0

Answers

Answer:

(x−5)^2+(y+6)^2=9

Step-by-step explanation:

5x = -5 and it has to show work pls

Answers

Answer:

x=-1

Step-by-step explanation:

5x=-5

[tex]x=\frac{-5}{5}=-1[/tex]

whats the surface area of, 47 cm 25 cm 24 cm 14 cm ?

Answers

Answer:

110 cm

Step-by-step explanation:

I added up all the numbers.

Hope this helps:)

Which of the following triangles have three sides of different lengths?
A. scalene triangle
B. acute triangle
C. right triangle
D. equilateral triangle
I will mark the brainiest if correct. Thank you.

Answers

Answer:

Sclaene triangle

Step-by-step explanation:

Answer:

a

Step-by-step explanation:

The Lines are all different angles hence they are all different lengths

Find the solution to the system of equations.

Answers

Answer:

Step-by-step explanation:

y intercept is 0, 15

x intercept is -40,0

15/40 = 3/8

y = 3/8 x + b

15 = b

y = 3//8x + b

Answer:

x-intercept : (-40,0)  y-intercept: (0,15)

Step-by-step explanation:

I hope this helps :)

2) Byron made a scale model of his
favorite car. The car is 14 feet long.
Byron's model is 3.5 inches long. What
is the scale Byron used to make his
model car?

Answers

9514 1404 393

Answer:

  1 : 48

Step-by-step explanation:

The scale is ...

  3.5 in : 14 ft = 3.5 in : 168 in = 1 : 48

Answer:

Solution :-

At first we need to convert ft into in

1 ft = 12 in

14 × 12 = 168 inches

Ratio = 3.5 : 168

Ratio = 1:48

[tex] \\ [/tex]

Solve for x, rounding to the nearest hundredth.
70 - 2^3x = 35

Answers

Answer:

x=4.375

Step-by-step explanation:

Answer:

x= 1.71

Step-by-step explanation:

We need to isolate x in the equation, first subtract 70 from the left side, so the equation is, -[tex]2^{3x\\}[/tex]=-35. There is a negative sign in both equations so we cancel them out so our equation is  [tex]2^{3x\\}[/tex]=35. Now we use log, so our equation now looks like  {log(35)/log(2)}/3=x. When we do it out we get that x=1.70976, and when rounded we get, x-1.71.

hhheeelllpppp pplllssss

Answers

Answer:

i think its a

Step-by-step explanation:

Answer:

B 7.2

Step-by-step explanation:

the coordinate of C: (1, 3)

the coordinate of E: (5, -3)

the distance formula: [tex]\sqrt{(x2 - x1)^{2} + (y2 - y1)^{2} }[/tex]

= [tex]\sqrt{(5-1)^{2} + (-3-3)^{2}}[/tex]

= [tex]\sqrt{16+36}[/tex]

= [tex]\sqrt{52}[/tex]

≈ 7.2

sin/1-cos=1+cos/sin
Can someone solve this?​

Answers

Answer:

Step-by-step explanation:

hello :

Sinx/1-cosx=1+cosx/sinx means : sin²x= (1-cosx)(1+cosx)

sin²x= 1-cos²x

sin²x+cos²x =1

Mhanifa can you please help?

Answers

Answer:

Question 5

Sum of angles of a regular polygon is 360°

If one angle is 8°, then number of sides is:

360°/8° = 45Question 4

Sum of interior angles of a polygon with n sides:

180°(n - 2) = 5400°n - 2 = 30n = 32

Exterior angle measure is:

360°/32 = 11.25°Question 13

Sum of exterior angles is 360°

Each exterior angle is:

360°/16 = 22.5°

During April, he charges $387.92 to the card, and at the end of April, he makes a payment of $400.00. What will be the new balance on his card?

Answers

he would have no money because he used it


If each inch on the scale drawing equals 5
feet, what are the actual dimensions of Janet's room?

Answers

Answer:

5x feet or x times 5.

Step-by-step explanation:

These four numbers are plotted on a number line: −2/3, 5/8, −3/5, −1/2 Which is the correct ordering on the number line, from left to right?

Answers

Answer:

i dont know too i was here seeing if you got an answer.1

Step-by-step explanation:

pls answer this people!!

Answer:

-2/3, -3/5, -1/2, 5/8

Step-by-step explanation:

The larger the number/fraction/decimal is as a positive number, the smaller it will be as a negetive.

Please help ASAP

Extra 500 points and brainliest

Answers

Answer:

uh wut's the question?

Step-by-step explanation:

Answer:

There is no question here, what did you need help with?

What is the mean price of $29 $58 $15 $129 $75 $22

Answers

Answer:

$32.67

Hope this helps!

Answer:

$54.6

Step-by-step explanation:

mean = add all the numbers together and divide by the amount of numbers

29+58+15+129+75+22=328

328/6= 54.6

you can put 55 it it requires you to round up

The length of one of the diagonals of a rhombus is 6, and the perimeter is 20. What is the length of the other diagonal?

Answers

Answer:

4

Step-by-step explanation:

60 students recorded their favourite drink. The results are shown in the pie chart.

a) Calculate the angle for the sector labelled Lemonade.

b) Calculate the number of students who chose Banana shake.

Apple juice

66°.

120°
Lemonade

Banana shake

Cola

Plz with steps urgent ​

Answers

Answer:

a) 360 -(66+120+90)=84

b)90 from 360

f x from 66

x=(90 x 66)÷360=16.5

Sharon has a carton of quilting notions. She has a total of 52 notions. She has 16 patterns. She has three times as many thimbles as templates. How many of each item does she have?

Answers

Answer:

well if she has 52 notions and 16 patterns you will have to multiply

Choose all the statements about the hexagon that are true.

Answers

Answer:

B, D

Step-by-step explanation:

Sorry if I'm wrong. I dont know if E is right or not

Answer:

B, D

Step-by-step explanation


a) What type of triangle is triangle ABC?
b) Give reasons for your answer.

Answers

Answer:

1. isosceles

2. isosceles have 2 sides that are the same length this is the same as the tringle in the picture.

Step-by-step explanation:

Pls give me brainliest

Answer:

It is isosceles triangle

Step-by-step explanation:

The steps in the above photo

Find the surface area of the pyramid, round to the nearest tenth:

Answers

Answer:

2 2/3 rounded to ten is 3 so 3 is your anser

Step-by-step explanation:

i think you multypliy 4 by 6/9 thenround

Answer:

71.2

Step-by-step explanation:

2(4)(6.9) + 4^2

I need help ASAP pls help

Answers

Answer:

tge radius is half the diameter so 1/2 of 3 1/2 =1.75 or 1 3/4

Dylan invested some money into his bank.
He agreed a simple interest rate of 3% per annum for a period of 2 years
At the end of the 2 years period the value of his investment increased by 72%
Work out the value Dylan initial investment was?

Answers

Answer:

the initial investment is $1,200

Step-by-step explanation:

The computation of the initial investment is shown below:

As we know that

Let us assume the investment be 100

So, the investment increased be 72

So,

Simple interest = Principal × rate of interest × time period

72 = Principal × 3% × 2 years

So, the principal is

= 72 ÷ 3% × 2

= $1,200

hence, the initial investment is $1,200

You buy 11 bagels with a $20 bill. How much change do you receive

Answers

Answer:

You would receive $13.75

Step-by-step explanation: What i did was divided 7.50 by 6 so it would give me the price of 1 bagel(1.25).I subtracted 11 and 6 which would give me 5 so I know how much I need to calculate with the discount. Then I multiplyed 5 times 1.25 (6.25) so I could get the price for 5 bagels. After I added 7.50 and 6.25 which would give you your answer of $13.75.

I hope this helps and makes sense to you. Please mark brainlist!

Chris types at an average speed of 50 words per minute. He has already typed 1,250 words of his final paper. The paper has to be
more than 3,750 words. Which of the following inequalities could be used to solve for x, the number of minutes it will take Chris to
type his paper?
OA. 50x > 3,750
ОВ.50x - 1,250 > 3,750
OC. 50x > 5,000
OD. 50x + 1,250 > 3,750

Answers

Answer:

D. 50x+1,250>3,750

Step-by-step explanation:

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