3 years ago

Please help with both questions

Mathematics

1 answer:

enyata [817]3 years ago

8 0

Answer:

See comment

Step-by-step explanation:

13 lawns

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2.5h-15=4h what does this equal

ryzh [129]

2.5h - 15 = 4h. -15 = 1.5h. -10 = h. Your answer is h = -10

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3 years ago

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Shawna is a member of the swim team. She can swim 3 laps in 3 minutes

likoan [24]

Answer:

8 mins 56 secs

Step-by-step explanation:

3 minutes and 21 seconds divided by 3 laps is 1.07 so it takes her 1 minute and 0.7 sec for each lap then u just multuply 1.07 by 8 and u get 8.56 meaning 8 mins and 56 secs. hope i helped :)

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A quarter back is sacked for a loss of 5 yards. On the next play, his team loses 15 yards. Then the team gains 12 yards on the t

Romashka [77]

The final amount of yards the team has is 8 yards.

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3 years ago

What is the scale factor for pre-image IJKH to image MNOL?

solniwko [45]

Answer:

Step-by-step explanation:

Given are two rectangles MNOL and IJKH

MNOL is the image and IJKH is the preimage.

OBviously similarity is preserved between these.

Hence sides will be proportional

i.e. l1/l2 = w1/w2 = Scale factor k

This can also be written as

Scale factor square = $k^2=\sqrt{ \frac{areaI}{area2} }$

Scale factor = square root of ratio of rectangle areas

Find ratio as

$\frac{375}{135} =\frac{25}{9}$

k = Scale factor = square root of the above fraction

= $\frac{5}{3}$

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4 years ago

Which equation has the same solution

Temka [501]

4x^2+48x=20
4x^2+48x+144=164
(2x+12).(2x+12)= + 59rt(164)
-

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