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san4es73 [151]
2 years ago
10

Chantay made this square picture. She wants to glue yarn around the border to make a frame. How much yarn does she need?

Mathematics
1 answer:
statuscvo [17]2 years ago
8 0

Answer:

60 I

Step-by-step explanation:

because it would be 15 times 4 right I think

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Brad a paper airplane out of 2 parallelograms. The height of each parallelogram is 2 inches and the length is 6 inches. What is
Yuki888 [10]

Answer:

16 inch

Step-by-step explanation:

8 0
3 years ago
Factor the trinomial: 4x2 - 8x - 5
shtirl [24]
Correct answer is A.

(2x + 1)(2x - 5)
\\2x(2x-5)+1(2x-5)
\\4x^2-10x+2x-5
\\4x^2-x-5
6 0
3 years ago
Read 2 more answers
What is the approximated answer for:t{39}
WITCHER [35]
It’s 40 because it’s closer to 40 than 30
3 0
3 years ago
Read 2 more answers
Usesolve the given system of two equations in two unknowns. Check your answers.
Maksim231197 [3]

Answer:

(1,4)

x= 1

y= 4

(I checked on desmos and this is correct)

Step-by-step explanation:

I'm going to solve this by substitution

To do this we need to get a variable by istelf in any equation

We'll start with 18x-2y=10

We can add 2y and divide by 2 to get

y=9x-5

This is what y will equal for now and we can plug this in for y in the second equation

3x+16(9x-5)=67

This is rather easy to solve

147x-80=67

147x=147

this means that x=1

We can then use this value for x and plug it into any equation

let's just do the first one

18*1-2y=10

This is easy to solve as well and you should get

-2y=-8

y=4

this means that x=1

y=4

6 0
2 years ago
Midge added some chlorine to the water in a pool. The chlorine evaporated at a fixed rate every week. The table below shows the
wlad13 [49]

Answer:

f(n) = 16(0.5)ⁿ⁻¹

Step-by-step explanation:

Find f(1) for each option.

a) f(1) = 16(0.5)¹⁻¹ = 16

b) f(1) = 32(0.5)¹⁻¹ = 32

c) f(1) = 16(0.5)¹ = 8

d) f(1) = 32(0.5)¹⁺¹ = 8

Only the first option matches the table.

5 0
3 years ago
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