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3 years ago

The sum of z and 7 algebraic expression

Mathematics

1 answer:

snow_tiger [21]3 years ago

6 0

Step-by-step explanation:

The algebraic expression for The sum of z and 7 algebraic expression is given as:

z + 7

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Can someone help me with these word problems?

Jobisdone [24]

1) $375
500 *.25= 125
500-125= 375

2) (5/8)* 32= 20 girls in class
(3/8)* 32= 12 BOYS in class

4) 19+42+X=87
62+X= 87 (add 19 and 42 together )
X=25 ( subtract 87 from 62)

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3 years ago

I Think it’s D, This is my Final Test is D Right?

ser-zykov [4K]

Answer:

Sorry you wrong, it’s actually A.

Step-by-step explanation:

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2 years ago

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PLEASEE HELP I NEED IT its about due

kherson [118]

Answer:

∠GJK is 22°

Step-by-step explanation:

Because the shape is a rectangle we know that GH is parallel to JI

This means that because of the alternate angle rule we know that

5x+8 = 7x-16

Then we solve for x

5x+8-5x = 7x-16-5x

8+16=2x-16+16

$\frac{24}{2}$ = $\frac{2x}{2}$

x=16

So this means that ∠HJI is 68°

Because the shape is a rectangle we know that ∠GJI is a right angle

This means that ∠GJK is 90-∠HJI because of the angles on a right angle rule

90-68 =22

∴∠GJK is 22°

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2 years ago

What are the values of the coefficients and constant term of 0 = 4 – 7x2 + x in standard form?

katen-ka-za [31]

ANSWER

$a = - 7$

$b = 1$

$c = 4$

EXPLANATION

The given quadratic equation is:

$0 = 4 - 7 {x}^{2} + x$

We rewrite in the standard quadratic equation form to obtain,

$- 7 {x}^{2} + x + 4 = 0$

Comparing this to the general standard quadratic equation.

$a {x}^{2} + bx + c = 0$

We have my

$a = - 7$

$b = 1$

$c = 4$

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3 years ago

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Which is bigger 40% of 120 or 1/4 of 200?

Dmitry [639]

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2 years ago

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