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Marrrta [24]
3 years ago
10

Help please 30 points!!

Mathematics
1 answer:
JulijaS [17]3 years ago
6 0

Answer:

50

Step-by-step explanation:

50 -10=40-10+20=50

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Aveter tank drains at the rate of 30
adell [148]

Answer:

4

Step-by-step explanation:

87 _jhq

4 0
3 years ago
I’ll give brainliest
Brilliant_brown [7]

Answer:

B

Step-by-step explanation:

We know that it costs 37 cents to mail a letter that weighs 1 oz or less. This would mean that for x ≤ 1, P(x) should equal 37. Already, we can eliminate A and D.

We also know that it costs an additional 26 cents for at most another ounce added to the original 1 ounce. This means that for 1 < x ≤ 2, P(x) = 26 + 37 = 63. This is shown by B.

Thus, the answer is B.

<em>~ an aesthetics lover</em>

5 0
3 years ago
Evaluate-2+7x^2-2x^3-8x+7x^4 at x=5
Murljashka [212]

Answer:

4262

Step-by-step explanation:

2 + 7x^2- 2x^3-8x +7x^4     at x = 5

= 2 + 7*(5)^2 - 2*(5)^3-8*5 +7*(5)^4

=2+175-250-40+4375

=4552-290

=4262

4 0
3 years ago
|x-3|+5 <br> i need to find out the absolute value
Assoli18 [71]
I got 5 I’m not for sure tho
7 0
3 years ago
Read 2 more answers
A rectangular window has a length of 81.47 cm and a width of 34.2 cm. What is the least precise measurement of the perimeter of
alexgriva [62]

Answer:

In our case the least precise is the one with no decimal units, in our case 231 cm

Step-by-step explanation:

Perimeter=2(L+w)

where;

L=length=81.47 cm

W=width=34.2 cm

Replacing;

Perimeter=2(81.47+34.2)=231.34 cm

The most precise is the one with the highest decimal units, for example 231.34 in our case the least precise is the one with no decimal units, in our case 231

8 0
3 years ago
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