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netineya [11]
2 years ago
13

(5x + 4) + (-8x - 2)

Mathematics
1 answer:
LenaWriter [7]2 years ago
6 0

Answer:

-3x + 2

Step-by-step explanation:

(5x + 4) + (-8x - 2)

= 5x + 4 -8x - 2

combine like terms

-3x + 2

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Plz help i suck art math
True [87]

um 600?? I'm sorry if that's wrong

5 0
3 years ago
Read 2 more answers
For a certain experiment, the available experimental units are 12 people—six females (f) and six males (m). Use (1f, 2f, 3f, 4f,
Kryger [21]

Answer:

I believe the correct answer would be the last one.

Step-by-step explanation:

The units are supposed to be blocked by gender. However, the first two units in the final option are blocked with two females in one group, and two males in the next. This is inconsistent with the blocking method used for the rest of the units.

6 0
2 years ago
Determine if the number is written in scientific notation. if not explain 5.6 x 10^12
Illusion [34]
The <u>correct answer</u> is C) yes, the answer is written in scientific notation.

Explanation:

In scientific notation, we have a decimal number multiplied by a power of 10.  The decimal number has the decimal point behind the first non-zero digit, and the exponent on the power of 10 tells us how many places to move the decimal.

In this problem, we have 5.6, which has the decimal after the first non-zero digit.  We also have 10¹², which tells us to move the decimal 12 places.

This is in scientific notation.
3 0
3 years ago
Read 2 more answers
Please help me with 7 and 10!! i’ll mark you brainliest:)
Irina-Kira [14]

Answer:

7. 18,480 feet

10. (a.) 1.5     (b.) 150%     Sorry I don't know the answers to c & d.

Step-by-step explanation:

7. \frac{3.5 miles}{1 ft.} × \frac{5,280 ft.}{1 mile} = 18,480ft.

Hope this helps!

7 0
3 years ago
Please help!!!
Sphinxa [80]

Answer:

x=27\ units

Step-by-step explanation:

we know that

Triangles BDR and QDC are similar, because QC and BR are parallel lines

If two figures are similar, then the ratio of its corresponding sides is equal and is called the scale factor

In this problem

\frac{QD}{BD} =\frac{DC}{RD}

substitute the values

\frac{39}{39+26} =\frac{x}{x+18}

\frac{39}{65} =\frac{x}{x+18}

65x=39(x+18)

65x-39x=702

26x=702

x=702/26

x=27\ units

5 0
3 years ago
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