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skelet666 [1.2K]

3 years ago

12

What is the measure of ZB?

2 answers:

inessss [21]3 years ago

7 0

Answer: 60

Step-by-step explanation:

All of the sides are equal meaning it is and equal lateral triangle

son4ous [18]3 years ago

3 0

The measure of ZB would be 1 and 2

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What is the halfway point between 12 and 13<br>Is that point closer to 12 or 13?

Ilya [14]

Answer:

12.5

Step-by-step explanation:

The point is closer to 13 because you round up

7 0

3 years ago

Question 5 of 10<br> Solve the rational equation:<br> 4x/x+5 = x/x+4

beks73 [17]

Answer:

$x = 0$ or $x = -\dfrac{11}{3}$

Step-by-step explanation:

I assume the denominators are x + 5 and x + 4 although that is not what you wrote.

$\dfrac{4x}{x+5} = \dfrac{x}{x+4}$

$(x + 4)(x + 5)\times \dfrac{4x}{x+5} = (x + 4)(x + 5) \times \dfrac{x}{x+4}$

$(x + 4)(4x) = (x + 5)(x)$

$4x^2 + 16x = x^2 + 5x$

$3x^2 + 11x = 0$

$x(3x + 11) = 0$

$x = 0$ or $3x + 11 = 0$

$x = 0$ or $3x = -11$

$x = 0$ or $x = -\dfrac{11}{3}$

5 0

2 years ago

Can anyone help me with this one please

bulgar [2K]

A. 314 sq cm

Explanation: pi•r^2
3.14 x 10^2
3.14 x 100 =314

7 0

3 years ago

AnnyKZ [126]

Answer:

see explanation

Step-by-step explanation:

(1)

$\frac{6}{2}$ = $\frac{4}{p}$ ( cross- multiply )

6p = 8 ( divide both sides by 6 )

p = $\frac{8}{6}$ = $\frac{4}{3}$

(2)

$\frac{n}{4}$ = $\frac{8}{7}$ ( cross- multiply )

7n = 32 ( divide both sides by 7 )

n = $\frac{32}{7}$

(3)

$\frac{5}{3}$ = $\frac{x}{4}$ ( cross- multiply )

3x = 20 ( divide both sides by 3 )

x = $\frac{20}{3}$

6 0

3 years ago

If f(x) = 2x^2 - x, find f(-3).

ioda

F(-3) = 2(-3)^2 - (-3) = 2(9)+3 = 18 + 3 = 21

4 0

4 years ago

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