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harina [27]
3 years ago
7

Pls anyone help help help its 9th grade math help!!!!

Mathematics
1 answer:
tatiyna3 years ago
5 0
The answer is 6.
Explanation: subtract exponents
6-4=2
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Answer:

I can even see anything can you reupload your answer, please?

Step-by-step explanation:

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2 years ago
Answer this question
Murljashka [212]

Answer:

a = p * q

b = p * s + q * r

c = r * s

Step-by-step explanation:

In the trinomial ax² + bx + c

a is the coefficient of x²

b is the coefficient of x

c is the numerical term

∵ The trinomial is ax² + bx + c

∵ Its factors are (px + r) and (qx + s)

∴ ax² + bx + c = (px + r)(qx + s)

∵ (px + r)(qx + s) = (px)(qx) + (px)(s) + r(qx) + (r)(s)

∴ (px + r)(qx + s) = pqx² + (psx + qrx) + rs

∴ ax² + bx + c = pqx² + (ps + qr)x + rs

→ By comparing the two sides

∵ ax² = pqx² ⇒ divide both sides by x²

∴ a = pq

∵ bx = (ps + qr)x ⇒ Divide both sides by x

∴ b = ps + qr

∴ c = rs

∴ a = p * q

∴ b = p * s + q * r

∴ c = r * s

5 0
3 years ago
Jay wrote an equation to determine sales tax on an item he wanted to buy. The equation was Y equals 0.0 9X, where Y represents t
mixas84 [53]

Step-by-step explanation:

Given the equation:

y = 0.09x where:

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  • y: represents the amount of sales

=> On a coordinate plane, the x-axis is labeled Cost of Item (in dollars) and the y-axis is labeled sales tax (in dollars)

We create a table of values

x    y

0   0

10  0.9

=> the line go through two points (0, 0) and (10, 0.9)

Hence tow dwaw a graph, we just connect two points together.

Please have a look at the attached photo.

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3 years ago
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Lisa is 4 years older than three times her brother Sammy's age. Let 's' represent Sammy's age and 'l' represent Lisa's age.
Fittoniya [83]
L=s+4  bc lisa is 4 and we don't know who old is Sammy..

3 0
3 years ago
Safe or not, he made it up the tower, since he is, after all, a warrior. The ransom note
Alona [7]

The width of the river = 60m and so Zachary will be able to swim the river without getting tired.

<h3>What is Proportion ?</h3>

When two ratios are equal , the ratio are said to be in proportion.

As given in the question ,

the width of the river has to be determined

Looking at the figure , the triangle formed at the side of the river is a right triangle the hypotenuse will be determined from the Pythagoras theorem

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y = 21.2 m

As the corresponding sides are proportional

31.2 : z = 20:50

z = 78.1

The value of the width of the river will be determined by the Pythagoras Theorem

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x = 60m

the width of the river = 60m

Therefore Zachary will be able to swim the river without getting tired.

To know more about Proportion

brainly.com/question/2548537

#SPJ1

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2 years ago
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