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3 years ago

Four - fifths of z added to six equals eight

1 answer:

4 0

The four-fifths of a number, in this case, z is four times the number divided by z. That is 4z/5. When we add six to the product and equate the expression to 8, we get,
4z/5 = 8
The value of z from the equation is 10.

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For what value of b makes this equation true? (Solve for b) b +9 = -2

neonofarm [45]

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▹ Answer

b = -11

▹ Step-by-Step Explanation

b + 9 = -2

-9 -9

b = -2 - 9

b = -2 + -9

b = -11

Hope this helps!

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7 0

3 years ago

Read 2 more answers

Hey, I've been extremely confused with problems like :7x²-12x-4

bonufazy [111]

Factor by grouping.

(7x+2)(x-2) I think not sure

4 0

3 years ago

A fire department's ladder is 110 feet long. A firefighter is trying to reach the top of a 100 foot building by leaning the ladd

Alekssandra [29.7K]

Answer:

sin-¹(10/11)

Step-by-step explanation:

The height of the building is 100 ft and the ladder is 110ft long .We can imagine this situation as a right angled ∆. For figure refer to the attachment .

We can use ratio sine here. Let the angle of elevation be theta.

In ∆ ABC :-

=> sinθ = p/h

=> sinθ = 100ft / 110 ft

=> sinθ = 10/11

=> θ = sin -¹ ( 10/11) .

<h3>Hence the angle of elevation is sin -¹ ( 10/11). </h3>

6 0

3 years ago

If parallel lines a and b are cut by transversal t, then which statement about angles 1 and 2 must be true?

alex41 [277]

Did you not include D or finish writing D since the first three are not right. If one of the possible answers is that they are alternate exterior angles or the same degrees, that would be the answer.

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3 years ago

Consider a sequence whose first five terms are: -3,0,3, 24, 81.

vfiekz [6]

D is the correct answer

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3 years ago