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Marysya12 [62]
4 years ago
15

Plz help ASAP will give brainliest!!!

Mathematics
2 answers:
Marizza181 [45]4 years ago
5 0

Answer:

20

Step-by-step explanation:

1.75 x 6 = 10.5

10.5 + 9.5 = 20

bonufazy [111]4 years ago
5 0

Answer:

20 is the answer im 100% sure ask me for a picture if u want my work shown

Step-by-step explanation:

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Please help me!!! 30 minutes left
Lesechka [4]

Option D:

\frac{25 a^{9} b^{10} }{6 } is equivalent to the given expression.

Solution:

Given expression:

$\frac{(5 a b)^{3}}{30 a^{-6} b^{-7}}

To find which expression is equivalent to the given expression.

$\frac{(5 a b)^{3}}{30 a^{-6} b^{-7}}

Using exponent rule: (ab)^m=a^mb^m

    $=\frac{5^3 a^3 b^{3}}{30 a^{-6} b^{-7}}

Using exponent rule: \frac{1}{a^{m}}=a^{-m}, \quad \frac{1}{a^{-m}}=a^{m}

     $=\frac{125 a^3 b^{3}a^{6} b^{7}}{30 }

     $=\frac{125 a^3 a^{6} b^{3} b^{7}}{30 }

Using exponent rule: a^{m} \cdot a^{n}=a^{m+n}

     $=\frac{125 a^{3+6} b^{3+7} }{30 }

    $=\frac{125 a^{9} b^{10} }{30 }

Divide both numerator and denominator by the common factor 5.

    $=\frac{25 a^{9} b^{10} }{6 }

$\frac{(5 a b)^{3}}{30 a^{-6} b^{-7}}=\frac{25 a^{9} b^{10} }{6 }

Therefore,  \frac{25 a^{9} b^{10} }{6 } is equivalent to the given expression.

Hence Option D is the correct answer.

4 0
3 years ago
What is the slope of the line that goes through points (−3,−4) and (−7,16)? please help
Murrr4er [49]

Answer:

5

Step-by-step explanation:

slope = \frac{y_{2}-y_{1} }{x_{2}-x_{1}}

The second y point is 16 and the first is -4, so:

(16) - (-4)

Which can be written as 16 + 4 because a double negative makes a positive. Do the same for the x points, -7 and -3:

(-7) - (-3)

(-7) + (3)

Now solve both of them:

16 + 4 = 20

(-7) + 3 = -4

Remember, the slope formula is y over x, so we still need to put it into the fraction form:

\frac{20}{-4}

You can reduce this to -\frac{5}{1}, or 5.

8 0
3 years ago
Find the third side in simplest radical form
Leno4ka [110]

Answer: 8\sqrt{2}

Step-by-step explanation:

8^2 + 8^2 = c^2

64 + 64 = c^2

128=c^2

\sqrt{128}  

\sqrt{4 * 32}  

2\sqrt{4 * 8 }

2* 2 \sqrt{4 * 2}

4 * 2\sqrt{2}

8 \sqrt{2}

6 0
3 years ago
Leslie is currently 8 years older than her neighbor Bill. In 4 years she will be 2 times as old as Bill. Let x equal Bill's curr
Sauron [17]
8+x= 4x times 2 the times is multiplication
4 0
3 years ago
Given the following formula, solve for a<br> I WILL GIVE BRAINLIST!!
saw5 [17]

Answer:

a=2s-b-c

Step-by-step explanation:

2s=a+b+c

a=2s-b-c

3 0
4 years ago
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