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2 years ago

Hi can someone answer this question please

Mathematics

1 answer:

PIT_PIT [208]2 years ago

6 0

Answer:

x ≤ - 3

Option A

Step-by-step explanation:

Given the inequality :

-7x - 13 ≥ 8

Add 13 to both. Sides

-7x - 13 + 13 ≥ 8 + 13

-7x ≥ 21

Divide both sides by -7

x ≤ - 3

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8 0

2 years ago

Which expression is equivalent to 8/9 divided by 3/4

ipn [44]

Step-by-step explanation:

Dividing by a fraction is the same as multiplying with the opposite of the fraction. 8/9 / 3/4=8/9×4/3=32/27=1 5/27.

6 0

3 years ago

Read 2 more answers

If M is the set of all square numbers less than 80 and N is the set of all non-negative even numbers that are under 30, Write th

Nat2105 [25]

Answer:

Step-by-step explanation:

All square numbers are numbers formed by squaring a single number. If M is the set of all square numbers less than 80, then

M = (4, 9, 16, 25, 49, 64)

Even numbers are numbers that are divisible by 2 without remainder.

If N is the set of all non-negative even numbers that are under 30, then

N = (2, 4, 6, 8 ,10, 12, 14, 16,18,20, 22, 24, 26,28)

It will not include 30 because we want even numbers under 30

8 0

3 years ago

If a → b is true, then ~a → b is also true.

Rasek [7]

Answer:

False

Step-by-step explanation:

To determine whether the statemaent "If $a\Rightarrow b$ is true, then $\neg a\Rightarrow b$ is also true" holds, you can form the truth table:

$\begin{array}{ccccc}a&b&a\Rightarrow b&\neg a&\neg a\Rightarrow b\\1&1&1&0&1\\1&0&0&0&1\\0&1&1&1&1\\0&0&1&1&0\end{array}$

When the result of the column $a\Rightarrow b$ takes value 1 (true), the result of the column $\neg a\Rightarrow b$ is not always 1, then the statement is false.

7 0

2 years ago

A tailor pays $10.25 per yard for wool and pays $5.75 per yard for cotton. He bought 4.8 yards of cotton and spent a total of $8

Alex777 [14]

Answer:

cotton and wool

Step-by-step explanation:

7 0

3 years ago