4 years ago

Evaluate each expression when a= - 4 and b= 3 ab

Mathematics

1 answer:

Andrews [41]4 years ago

6 0

Answer:

-12

Step-by-step explanation:

Step 1: Substitute

ab -> -4 for a and 3 for b

(-4) * (3)

-12

Answer: -12

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The 7th grade has 195 students. There are 25 more girls than boys in the grade. How many boys are there in 7th grade

Anon25 [30]

110 girls and 85 boys.

Subtract 1 from 195. Then divide by 2. 194/2 = 97. Then add 13 97+13=110. There are 110 girls.

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3 years ago

What is the value of X?

LenKa [72]

Answer:

5.625 or 5-5/8 or 45/8

Step-by-step explanation:

Solve using Similar triangles again

ratio of 4:7.5

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3 years ago

12/35 = 36/X find x step by step

Zigmanuir [339]

Answer:

x = 105°

Step-by-step explanation:

Question :

$\frac{12}{35} =\frac{36}{x}$

You can use cross multiplication to solve this.

Let us solve now

$\frac{12}{35} =\frac{36}{x}$

12 × x = 35 × 36

12x = 1260

Divide both sides by 12.

x = 105°

Hope this helps you :-)

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2 years ago

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Flora needs 3/8 ribbon and 2/8 of a ribbon to make a bow tie How much ribbon does she need to make a bow tie

Black_prince [1.1K]

Answer:

Flora needs 5/8 ribbon

Step-by-step explanation:

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4 years ago

The price of a train ride is $12 it went up by 1/6 what is the new price Please help

Serggg [28]

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