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KatRina [158]
3 years ago
9

Expressions can be written using a combination of numbers and letters. Those values can also be described using words. Choose AL

L expressions that are correctly described in words.
which is it

Mathematics
2 answers:
Alexxx [7]3 years ago
8 0

Answer:

A: 3a + 9: the sum of three times a and nine

C:15b − 10: ten less than the product of fifteen and b

Step-by-step explanation:

I just answer this question in US, and I got C right but choose the wrong answer for A.

These are the right answers.

Serga [27]3 years ago
7 0

WQJAbnuhajle hove ukleg disklhdnd obisolsyhdgo fibpiouhod09ziusvcevn Step-by-step explanation:

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Solve: 8.2 = 3.4 + d d = _____
Alinara [238K]

Answer:

4.8

Step-by-step explanation:

You just subtract to solve for d so,

8.2 = 3.4 + d

-3.4   -3.4

4.8 = d

8 0
3 years ago
There are 54 bookshelves in the library
masya89 [10]

Answer:

60

Step-by-step explanation:

Assuming that all 54 shelves hold the same number of books its just a matter of dividing them (or sharing them equally) on each shelf.

3240 / 54 = 60

Each shelf holds 60 books.

5 0
3 years ago
How do i calculate percent accuracy? I got 20 questions out of 21 correct but I need to figure out the percent accuracy for anot
Mandarinka [93]
You need to do 20 divide by 21 to get a decimal. Then if you multiply the decimal by hundred you should get the percentage.
7 0
3 years ago
HELPPP!!!!!!!!!!!!!! meeee ok so there are 12 boys and 8 girls in the french club. what is the ratio of boys to girls.
san4es73 [151]

Answer:

3:2

Step-by-step explanation:

The ratio of boys to girls will be 12:8

But, this can be simplified, since both numbers are divisible by 4.

12/4 = 3

8/4 = 2

So, the simplified ratio of boys to girls is 3:2

5 0
3 years ago
Read 2 more answers
What is the y-intercept of the line?
8090 [49]

Answer:

34

Step-by-step explanation:

We start by working out the slope. The slope is change in y over change in x, so (66-58)/(-56)-(-42) is the slope here. 66-58 is 8, and -56-(-42) is -14. -8/14=-4/7. The equation of a line in slope-intercept form is y=mx+b where b is the y intercept and m is the slope. Since the slope is -4/7, then y=-4/7x+b. We then insert any x and y pair into this equation and solve for b, the y intercept to get it. (We can do ANY pair) So, 50=(-4/7)(-28)+b.

: 50=16+b

: 50-16=b

: 34=b

So, in conclusion, the y intercept is 34. Hope this helps!

6 0
2 years ago
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