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dimaraw [331]
2 years ago
15

Type the correct answer in each box. Use numerals instead of words, Simplify the following polynomial expression. (5x2 + 13x – 4

) – (17x2 + 7x – 19) + (5x – 7)(3+ + 1)
____ x2 – ____ x + ____​

Mathematics
1 answer:
marishachu [46]2 years ago
8 0

Answer:

La primera es la respuesta la segunda parte es la

Step-by-step explanation:

La que te muestra como va el procedimiento

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If y = x + 5 and y = 11, then x = what?
Anestetic [448]

Answer:

6

Step-by-step explanation:

5 0
3 years ago
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Plz help with math!!!
ratelena [41]
These are all linear equations:<span>y = 2x + 1  
5x = 6 + 3y
<span>y/2 = 3 − x</span></span>
6 0
3 years ago
samuel needs to estimate the product of 24 x 395. Explain two different methods Samuel can use to estimate.
JulsSmile [24]

Samuel needs to estimate the product of 24 x 395.

First method

We round the number to nearest tens

24 can be rounded to 20 because we have 4 on ones place

395 can be rounded to 400 because we have 5 in ones place so we add 1  with 9 and it becomes 10 . so we add 1 with 3 and got 400

20 * 400 = 8000

Second method:

We round the number to nearest hundreds place

24 have no number in hundreds place so it remains 24

395 can be rounded to 400 because we have 9 in tens place.

24 * 400 = 9600


4 0
2 years ago
Find the ranges of these numbers 35 45 30 45 70
serg [7]

Answer:

The range is 40.

Step-by-step explanation:

Range is just the largest number minus the smallest.

70 - 30 = 40

5 0
3 years ago
Which solid figure has one polygon base?
maks197457 [2]
Q1: The answer is A. pyramid.
A pyramid has one polygon base. A prism has two polygon bases. A cone has one circular base. A cylinder has two circular bases.

Q6: The answer is false.
Surface area of a rectangular prism is:
A = 2(wl + hl + hw)
A1 = 2(4*5 + 6*5 + 6*4) = 2(20+30+24) = 2*74 = 148
A2 = 2(6*4 + 5*4 + 5*6) = 2(24+20+30) = 2*74 = 148

Q7. The answer is A. 6 feet
The volume of rectangular prism is:
V = w * l * h
w = ?
So, just replace the knowing facts:
288 = w * 8 * 6
288 = w * 48
w = 288/48 = 6

Q8: The answer is 216 ft³
The volume of the cube is:
V = a³
Since a = 6, then:
V = 6³ = 216
8 0
3 years ago
Read 2 more answers
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