2 years ago

kalia spent a quarter of her weekly allowance on a movie. the movie was $4.25. WHat is her weekly allowance

Mathematics

1 answer:

Montano1993 [528]2 years ago

7 0

Answer:

$17

Step-by-step explanation:

Think about it like this.

$4.25 is equal to 0.25 * x value, where x is the weekly allowance

$4.25=0.25x

$17=x

You might be interested in

What is the equation of the given graph in y=kx form .

ElenaW [278]

Solve for k using graphed value:
96 = k6
k = 16

y = 16x

Another given value of x is 12. 12•16 = 192, so that checks out ok.

7 0

3 years ago

Which basic trigonometric identity would you use to verify that tan x cos x =sin x

True [87]

Answer:

$\huge\boxed{\tan x=\dfrac{\sin x}{\cos x}}$

Step-by-step explanation:

$\tan x\cos x=\sin x\\\\\tan x=\dfrac{\sin x}{\cos x}\\\\\text{Therefore}\\\\\tan x\cos x=\dfrac{\sin x}{\cos x}\cdot\cos x\qquad\text{cancel}\ \cos x\\\\\tan x\cos x=\sin x\\\\\text{For}\ x\neq\dfrac{\pi}{2}+k\pi},\ k\in\mathbb{Z}$

7 0

3 years ago

Write an equivalent expression by factoring.<br><br>5x + 15

nata0808 [166]

Answer:

5(x+3)........ ...........

5 0

3 years ago

8 less then a number n is -13

Oliga [24]

Answer:

equation: 8-n=13

answer: n = 21

Step-by-step explanation:

3 0

3 years ago

Map of field: 12 in × 15 in

alexdok [17]

Multiply the dimensions by 3 to convert to feet.

12 x 3 = 36 ft.

15 x 3 = 45 ft.

the dimensions are 36 ft. x 45 ft.

4 0

3 years ago