Please help , once again I’m dumb and stressed ://

Mathematics

2 answers:

stira [4]3 years ago

8 0

The perimeter =14 in
The area =64cm

atroni [7]3 years ago

3 0

So, the formula for the perimeter of a rectangle is P=2(l+w). So, take 4+3 which is 7 and multiply that times 2, which is 14. So your permiter is 14 inches.

To find the area we multiply the base and the height. In this case, 16 and 4. The answer is 64cm^2.

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Victoria spent one-fourth of her birthday money on clothes. She received another $25 a week later. If she has a total of $70 now

tia_tia [17]

Answer:

she had $60 before she went for shopping

Step-by-step explanation:

PLZ MARK BRAINLIEST

Let x represent the amount of money that Victoria had before she went for shopping.

Victoria spent one-fourth or her birthday money on clothes. It means that the amount she spent on shopping is 1/4 × x = x/4. Amount that she was having left would be x - x/4 = 3x/4

She received another 25$ a week later. The amount that she is having at this point will be 3x/4 + 25

If she has a total of 70$ now, it means that

3x/4 + 25 = 70

Multiplying through by 4

3x + 100 = 280

3x ,= 280 - 100 = 180

x = 180/3 = 60

3 0

3 years ago

2p + 3x = 680 x = 2p

svlad2 [7]

Use substitution.

2p + 3(2p) = 680
2p + 6p = 680
8p = 680
p = 85

Plug in.
x = 2p
x = 2(85)
x = 170
p = 85