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3 years ago

11

How to solve the first and second question?

1 answer:

mars1129 [50]3 years ago

7 0

Answer:

hila de estas bien menos

la tuya

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HELPP!!! QUICK!! Will give brainliest.

SSSSS [86.1K]

An expression is defined as a set of numbers, variables, and mathematical operations. The zeroes of the b(x) will be (5/4) and (-5/4).

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

The solution for the expression b(x) can be written as,

b(x)=16x²-25

b(x)= (4x)² - 5²

b(x)=(4x-5)(4x+5)

The zeroes of the b(x) will be (5/4) and (-5/4).

Hence, The zeroes of the b(x) will be (5/4) and (-5/4).

Learn more about Expression:

brainly.com/question/13947055

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6 0

3 years ago

It took Jamal 13 days to read his novel for Language Arts class. How many weeks is that?

maks197457 [2]

Jamal read 1 week and 6 days

8 0

3 years ago

Read 2 more answers

(1) Mr. Jones finished correcting 6 out of 7 homework assignments. Miss Smith finished

Andrews [41]

Answer:

Mr. jones

Step-by-step explanation:

6/7 is 85.71% which is greater than 83%.

5 0

3 years ago

What number would represent the outlier in the following set of data?

Mademuasel [1]

I think it is 29 cause it’s in the 20’s while the others aren’t

5 0

3 years ago

A rectangular pool 18 meters by 12 meters is surrounded by a walkway of width x

vesna_86 [32]

Answer:

x=3 meters

Step-by-step explanation:

step 1

Find the area of the rectangular pool

$A=LW$

we have

$L=18\ m\\W=12\ m$

substitute

$A=18(12)=216\ m^2$

step 2

Find the area of rectangular pool including the area of the walkway

Let

x ----> the width of the walkway

we have

$L=(18+2x)\ m\\W=(12+2x)\ m$

substitute

$A=(18+2x)(12+2x)$

step 3

Find the area of the walkway

To find out the area of the walkway subtract the area of the pool from the area of rectangular pool including the area of the walkway

so

$A=(18+2x)(12+2x)-216$

step 4

Find the value of x if the area of the walkway equal the area of the pool

so

$(18+2x)(12+2x)-216=216$

Solve for x

$(18+2x)(12+2x)=432\\216+36x+24x+4x^{2}=432\\4x^{2} +60x-216=0$

Solve the quadratic equation by graphing

The solution is x=3 meters

see the attached figure

8 0

4 years ago