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andreev551 [17]

2 years ago

14

Daniela has the same amount of money automatically deposited into a new savings account each week. After 3 weeks, she has $18. A

fter 5 weeks, she has $30. The unit rate is measured in dollars per week. What is the constant of proportionality?

1 answer:

Burka [1]2 years ago

8 0

Answer:

$6 per week (ratio 6/1)

Step-by-step explanation:

18/3=6

30/5=6

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Which subtraction expression

Bond [772]

If you would like to know which subtraction expression has the difference 1 + 4i, you can calculate this using the following steps:

a. (–2 + 6i) – (1 – 2i) = –2 + 6i – 1 + 2i = –3 + 8i

b. (–2 + 6i) – (–1 – 2i) = <span>–2 + 6i + 1 + 2i = </span>–1 + 8i

c. (3 + 5i) – (2 – i) = 3 + 5i – 2 + i = 1 + 6i

d. (3 + 5i) – (2 + i) = 3 + 5i – 2 – i = 1 + 4i

The correct result would be <span>d. (3 + 5i) – (2 + i).</span>

5 0

3 years ago

Read 2 more answers

Pyramid P is similar to pyramid Q. The volume of pyramid P is 980 c m cubed, and the volume of pyramid Q is 3307.5 c m cubed. Wh

jeka57 [31]

Answer:

The scale factor is $\frac{3}{2}$

Step-by-step explanation:

The volume of the original prism is $V_P=980cm^3$

The volume of the dilated prism is $V_Q=3307.5cm^3$

Let the scale factor be $k$ .

To find the volume of the dilated prism, we multiplied by $k^3$ .

$\Rightarrow 980k^3=3307.5$

$\Rightarrow k^3=\frac{3307.5}{980}$

$\Rightarrow k^3=\frac{27}{8}$

$\Rightarrow k=\sqrt[3]{\frac{27}{8}}$

$\Rightarrow k=\frac{3}{2}$

8 0

2 years ago

Help me plssss NO LINKS PLSSSSSSS

Tamiku [17]

Answer:

perimeter- 36 in.

area- 77 $in^2$

Step-by-step explanation:

to find the perimeter you add all of the sides, so

7 + 7 + 11 + 11 = 36

*** the opposite side of the 7 is also 7, same with the 11 :)

to find the area for a rectangle, you use the formula A=b*h

so, the base(b)=7 and the height(h)= 11

therefore, 7 * 11 = 77

I hope this helps!! :) if it does, brainliest?? :)

3 0

2 years ago

What is the value of f(x) = 9when x = -2?

spin [16.1K]

$f(x)=9\Longrightarrow f(-2)=9$

The function is a constant. No matter the input the output will always be equal to 9.

Hope this helps.

r3t40

6 0

3 years ago

Read 2 more answers

A triangle has sides with lengths of 21 meters, 70 meters, and 73 meters. Is it a right triangle?

Elena-2011 [213]

9514 1404 393

Answer:

no

Step-by-step explanation:

It is close, but not exactly a right triangle.

If it were a right triangle, we would have ...

21² +70² = 73²

We have instead ...

441 +4900 ≠ 5329

5341 ≠ 5329 . . . . . . . . not a right triangle

8 0

3 years ago