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2 years ago

Megan and Jason entered a bike marathon covering 10 miles.

Mathematics

1 answer:

Anna [14]2 years ago

7 0

Answer:

15 minutes

Step-by-step explanation:

in this case 1 hour 25 minutes is also equivalent to 75 minutes so 90 -75 would give you 15 minutes

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Which expressions are equivalent to 7 (negative three-fourths x minus 3)? Select two options.

polet [3.4K]

The equivalent expressions are:

$7(-\frac{3}{4}x - 3) = (7 \times \frac{-3}{4}x) + (7 \times -3)\\\\7(-\frac{3}{4}x - 3) = \frac{-21x}{4} - 21$

Solution:

Given expression is:

$7(-\frac{3}{4}x - 3)$

We have to find the equivalent expressions

By distributive property,

a(b + c) = ab + ac

Therefore,

$7(-\frac{3}{4}x - 3) = (7 \times \frac{-3}{4}x) + (7 \times -3)\\\\7(-\frac{3}{4}x - 3) = \frac{-21x}{4} - 21$

Thus equivalent expressions are found

7 0

3 years ago

Read 2 more answers

Sean can spend at most $15.00 on snacks. He has already spent $5.00. Which inequality could be solved to determine how much mone

Lady bird [3.3K]

Answer:

5 + x ≤ 15

Step-by-step explanation:

4 0

3 years ago

Find y in terms with x Help me pleaseee thank uu:)

cestrela7 [59]

Answer:

y = 90 -5/2 x

Step-by-step explanation:

The angle on the left equals x+3x+x = 5x

The angle on the right equals 2y

The two angles are same side interior angles which are supplementary because the lines are parallel

5x+2y = 180

Solving for y

2y = 180-5x

Divide by 2

2y/2 = 180/2 -5x/2

y = 90 -5/2 x

4 0

1 year ago

Read 2 more answers

I need awnsers please

romanna [79]

$y=f(x) =12\sqrt x\\\\\text{Replace x with y and then solve for y:}\\ \\~~~~~~~x = 12\sqrt y\\\\\implies \sqrt y = \dfrac{x}{12}\\ \\\implies y = \dfrac{x^2}{144}\\\\\implies f^{-1} (x) = \dfrac{x^2}{144} \\\\\text{Hence the inverse of the function is}~ \dfrac{x^2}{144}$

5 0

2 years ago

Please help! Forgot to do homework and I really need help! WORTH 30 POINTS!

stepan [7]

Answer:

M=-4

A=-16

K=1

X=9

Q=-6

V=2

7 0

2 years ago