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Alla [95]
3 years ago
10

Is this a true proportion? 15. 22:88::10: 40

Mathematics
1 answer:
USPshnik [31]3 years ago
5 0
Yes that is a true proportion
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Is v = -1 / 3 a solution of 9v-2= 3v?
Gre4nikov [31]

Answer:

No, -1/3 is not a solution

Step-by-step explanation:

See if it is a solution by plugging in -1/3 as v and seeing if the equation is correct:

9v - 2 = 3v

9(-1/3) - 2 = 3(-1/3)

-3 - 2 = -1

-5 = -1

-5 \neq -1

So, since the equation is incorrect, -1/3 is not a solution.

4 0
3 years ago
3.1 , 3.4 , 3.25 , 3.33 from greatest to least
BlackZzzverrR [31]

Answer:

3.1  3.25   3.33   3.4

Step-by-step explanation:

4 0
3 years ago
What number sentance can be used to find 42 divided by 7
olga nikolaevna [1]

you can use the number sentence 42/7


7 0
3 years ago
How many permutations of the letters in the word REPLICA end in a vowel
Afina-wow [57]
<span>6*5*4*3*2*1*3=2,160
I hope this helps.
</span>
8 0
3 years ago
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
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