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OLga [1]
3 years ago
5

Need help with 20 and 22

Mathematics
1 answer:
zzz [600]3 years ago
8 0

24

Because it we have to find x....

You might be interested in
Is −7 a solution of −9x > 45?
Assoli18 [71]

Answer:

Yeah

- 9( - 7) = 63 \\ 63 > 45 \\ thus \:  - 7 \: can \: be \: one \: of \: the \: solutions

8 0
3 years ago
A train leaves at 14:56 and arrives at 16:43. It travelled at an average speed of 135 km/h. How far did it travel? Give your ans
Firlakuza [10]

Answer:

240.8

Step-by-step explanation:

→ Calculate time taken

16:43 - 14:56 = 1 hour and 47 minutes

→ Write the speed formula and make distance the subject

Speed = Distance ÷ Time ⇔ Distance = Speed × Time

→ Convert 1 hour and 47 minutes into decimal format

1.78333333 or  1\frac{47}{60}

→ Substitute values into formula

135 ×  1\frac{47}{60}  = 240.75

8 0
3 years ago
(-3)(-5) answers are below:<br> -15<br> -8<br> +15
postnew [5]

\text {Hello! Let's Solve this Problem!}

\text {To Solve this problem we must know that Multiplying a Negative to a Negative} \text {will equal a positive.}

\text {\underline {Multiply}}

\text {-3*-5=}

\text {Your Answer Would Be:}

\fbox {15}

\text {Best of Luck!}

\text {Also just remember when it comes to problems like these, think if it as 2 positive} \text {numbers. So really it's just 3*5}

6 0
3 years ago
Ali deposits her $412.60 paycheck and
wel

Answer:

$617.45

Step-by-step explanation:

315.85+412.60-3×40

= 315.85+412.60-120

=617.45

4 0
3 years ago
What is the answer of 9k multiply by 9 polynomials​
navik [9.2K]

Answer:

this is what i found

Step-by-step explanation: Multiply k and 9

Multiply k and 1

The k just gets copied along.

The answer is k

k

9*k evaluates to 9k

Multiply m and 9k

Multiply the m and k

Multiply m and k

The m just gets copied along.

The k just gets copied along.

The answer is mk

mk

9*k*m evaluates to 9mk

Multiply u and 9mk

Multiply the u and mk

Multiply u and mk

The u just gets copied along.

The m just gets copied along.

The k just gets copied along.

The answer is umk

umk

9*k*m*u evaluates to 9umk

Multiply l and 9umk

Multiply the l and umk

Multiply l and umk

The l just gets copied along.

The u just gets copied along.

The m just gets copied along.

The k just gets copied along.

The answer is lumk

lumk

9*k*m*u*l evaluates to 9lumk

Multiply t and 9lumk

Multiply the t and lumk

Multiply t and lumk

T

6 0
3 years ago
Read 2 more answers
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