2 years ago

Evaluate the expression 3x - 22 for x = -5

Mathematics

1 answer:

kolezko [41]2 years ago

4 0

Answer:

-37

Step-by-step explanation:

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45 minus 4.5. Show work

Dmitrij [34]

Let's do subtraction by first starting with the ones place and then the tenths place of the subtrahend.
45-4=41; 44, 43, 42, 41
41-.5= 40.5; 40.9, 40.8, 40.7, 40.6, 40.5
45-4.5=40.5
We can check by using addition.
40.5+4.5=
44+1=
45

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3 years ago

4x + 8y = 20<br> -4x + 2y = -30 solve using elimination

Ahat [919]

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2 years ago

The regular price of a child's entry ticket to a water park is $6 less than that for an adult's. The park offers half off all en

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3 years ago

Write an equivalent equation that does not contain fractions 2/3 x + 9 equals 3/4

AlekseyPX

Answer:

8x + 108 = 9

Step-by-step explanation:

Given

$\frac{2}{3}$ x + 9 = $\frac{3}{4}$

Multiply through by the lowest common multiple of 3 and 4, that is 12 to clear the fractions.

8x + 108 = 9 ← equivalent equation with no fractions

6 0

3 years ago

Make 'm' the subject of the formula'k=3m-2

zaharov [31]

Answer:

$m = \frac{k + 2}{3}$

Step-by-step explanation:

$k = 3m - 2 \\ 3m = k + 2 \\ m = \frac{k + 2}{3}$

4 0

3 years ago

Read 2 more answers