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SVEN [57.7K]
3 years ago
8

Joshua currently does a total of 8 pushups each day. He plans to increase the number of pushups he does each day by 2 pushups un

til he is doing a total of 30 pushups each day. How many days would this take? Use x to represent days.
Mathematics
2 answers:
alekssr [168]3 years ago
6 0
He currently does 8, and is increasing by 2, so our equation will be

2x+8=30

Subtract the 8 over

2x=22

Divide by 2 on both sides

X=11

It will take 11 days
vova2212 [387]3 years ago
6 0

Answer:

x= 2

So therefore we first work out it takes 12 days so we cna condense this to 6x and make the equation -4x+6x = 12 to find how many press ups he used to do.

To find day increase = (x+5x) = 6x = 12

Or to find amount of press ups per day = 3x x 5x =30

Step-by-step explanation:

You might be interested in
A decorative window is made up of a rectangle with semicircles at either end. The ratio of AD to AB is 3:2 and AB is 30 inches.
scZoUnD [109]

Answer: The required ratio will be

84:1034

Step-by-step explanation:

Since we have given that

Ratio of AD to AB is 3:2

Length of AB = 30 inches

So, it becomes

2x=30\\\\x=\frac{30}{2}=15\ inches

So, Length of AD becomes

3x=3\times 15=45\ inches

Now, at either end , there is a semicircle.

Radius of semicircle along AB is given by

\frac{30}{2}=15\ inches

So, Area of semicircle along AB and CD is given by

2\times \frac{\pi r^2}{2}\\\\=\frac{22}{7}\times 15\times 15\\\\=\frac{4950}{7}\ in^2

Radius of semicircle along AD is given by

\frac{45}{2}=22.5\ inches

Area of semicircle along AD and BC is given by

2\times \frac{1}{2}\pi r^2\\\\=\frac{22}{7}\times \frac{45}{2}\times \frac{45}{2}\\\\=\frac{445500}{28}\ in^2

And the combined area of the semicircles is given by

\frac{4950}{7}+\frac{445500}{28}\\\\=\frac{465300}{28}\ in^2

Area of rectangle is given by

Length\times width\\\\=AD\times AB\\\\=45\times 30\\\\=1350\ in^2

Hence, Ratio of the area of the rectangle to the combined area of the semicircles is given by

1350:\frac{465300}{28}\\\\=1350\times 28:465300\\\\=37800:465300\\\\=84:1034

Hence, the required ratio will be

84:1034

8 0
3 years ago
I NEED HELP WITH MY FINALL
sweet [91]

what you need help with?

5 0
3 years ago
Read 2 more answers
Kathy swam 3 laps in the pool this week. She must swim more than 12 laps each month. How many more laps must Kathy swim to meet
ra1l [238]

Answer:

9

Step-by-step explanation:

12-3=9

8 0
3 years ago
Factor as the product of two binomials x^2-3x-10
cestrela7 [59]

Answer:

(x-5)(x+2)

Step-by-step explanation:

Hello there!

Your expression there has a highest power of x^{2}, so there will be two constants that you need to find.

Your last term is -10, so the constants will have a product of -10. Also your middle term is -3x, so the terms will add up to -3

-5 and 2 fit the mold.

Have a great day!

If I am most helpful, mark me brainliest!

3 0
3 years ago
How do I solve this question?????????????????
Tems11 [23]

6 + 2 = 8.

If you have 6 apples and add 2 more, you have 8 apples.

5 0
3 years ago
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