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3 years ago

Find the product of 2x^(2x2 + 3x + 4)

Mathematics

2 answers:

madam [21]3 years ago

7 0

Answer- 4x⁶ + 6x⁵ + 8x⁴

podryga [215]3 years ago

3 0

Answer:

6x^3+16x^2 I think that is correct

Step-by-step explanation:

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20 points!!! Solve Each Proportion-Round to the nearest tenth * Your answer

KatRina [158]

Answer:

x = 3.6

B. {7.88}

Step-by-step explanation:

$\frac{6}{x}= \frac{10}{6}$

x · 10 = 6 · 6

10x = 36

10x ÷ 10 = 36 ÷ 10

x = 3.6

$\frac{9}{8} =\frac{x}{7}$

8 · x = 9 · 7

8x = 63

8x ÷ 8 = 63 ÷ 8

$x=7\frac{7}{8}$ or x = 7.875

7.875 rounded to the nearest tenth is 7.88.

8 0

2 years ago

Solve 2x^2 + x - 4= 0. x2 + = 0 DONE

inessss [21]

$\\ \sf\longmapsto 2x^2+x-4=0$

$\\ \sf\longmapsto 2x^2+x=4$

$\\ \sf\longmapsto 8(2x^2+x=4)$

$\\ \sf\longmapsto 16x^2+8x=32$

$\\ \sf\longmapsto (4x)^2+2(4x)(1)=32$

$\\ \sf\longmapsto 4x^2+2(4x)(1)+1^2=32+1^2$

$\\ \sf\longmapsto (4x+1)^2=33$

$\\ \sf\longmapsto 4x+1=\pm\sqrt{33}$

$\\ \sf\longmapsto 4x=-1\pm\sqrt{33}$

$\\ \sf\longmapsto x=\dfrac{-1\pm\sqrt{33}}{4}$

8 0

3 years ago

Johnny is reading a novel for the read-a- Thon. The ratio of the number of pages she read to the pages that remain to be read is

mart [117]

There are several ways to answer this question and I will use this approach. Since Johnny reads at a ratio of 7:3 it can be stated that for every 10 pages in a book containing 500 pages Johnny will read 7 of those pages. There are 50 groups of 10 in a 500-page book (50 x 10). Take the ration 7:3 times 50 and use the distributive property: 7:3(50) = (7 x 50):(3 x 50) = 350:150. Based on this Johnny has read 350 pages and has 150 pages remaining.

7 0

3 years ago

Find the distance between these two points ( 7,9) and (4,6)

Galina-37 [17]

Answer:

Step-by-step explanation:

C is the answer

5 0

2 years ago

Help me out please .

Marta_Voda [28]

I’m pretty sure it’s A but it could also me C
Hopes it right.