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4 years ago

I have a math problem to simplify how?

Mathematics

1 answer:

marusya05 [52]4 years ago

5 0

Answer: negative fifty

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Which equation could you use to solve for x in the proportion StartFraction 4 over 5 EndFraction = StartFraction 9 over x EndFra

Rudik [331]

Answer:

(b) 4 x = 4 5 is the needed expression to solve for the value of x.

Step-by-step explanation:

Here, the given proportion is simplified as:

$\frac{4}{5} = \frac{9}{x}$

Now, to simplify any proportion of the form $\frac{a}{b} = \frac{c}{d}$ the simplest way is CROSS MULTIPLICATION.

So, cross multiplying $\frac{a}{b} = \frac{c}{d} \implies ad = bc$

Similarly cross multiplying $\frac{4}{5} = \frac{9}{x}$ , we get:

4 (x) = (9) (5)

or, 4 x = 45

Hence, 4 x = 45 is the needed expression to solve for the value of x.

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3 years ago

Read 2 more answers

Refer to the map shown in Exercise 2. If m∠1 is 64˚, what is the measure of ∠2?

zmey [24]

<h2>Explanation:</h2><h2></h2>

Hello! Remember you have to write complete questions in order to get good and exact answers. Here you haven't provided any figure, so I'll assume m∠1 and m∠2 are complementary angles. Angles that add up to 90° are called complementary angles. In this case, we know m∠1 and want to know m∠2. Thus, we can establish the following formula:

m∠1 + m∠2 = 90°

Isolating m∠2:

m∠2 = 90° - m∠1

m∠2 = 90° - 64

m∠2 = 26°

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3 years ago

(7v-3)(20^2+5v-6)<br> Simplify your answer.<br> Box Method

AveGali [126]

Answer:

Step-by-step explanation:

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3 years ago

What is 3 1/3 +(-2 1/4) + 1 5/6 as a mixed fraction

meriva

The answer is 2 11/12 because you do 3 1/3 + -2 1/4 which gets you 1 1/2. Then you need to add 1 5/6 to the 1 5/6 to get your answer. So when you add up your answer you get 2 11/12. Hope this helps.

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4 years ago

Read 2 more answers

One fourth the sum of x and ten is identical to x minus 4."

Lynna [10]

Answer and Step-by-step explanation:

We are given the word format of an equation.

Let's right it out in numerical form.

$\frac{1}{4} (x + 10) = x - 4$