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Slav-nsk [51]
3 years ago
11

5x +9x if x=3 solve please

Mathematics
2 answers:
Lera25 [3.4K]3 years ago
5 0

Answer:

42

Step-by-step explanation:

Make x 3 and solve

5 times 3 plus nine times three

Tomtit [17]3 years ago
4 0

Answer:

42

Step-by-step explanation:

5 time 3 = 15

9 times 3 = 27

add them to get

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290 divided by 70 estimate to
labwork [276]
290 divides by 70 is 4.14285...
Estimated to the ten thousandths: 4.1429
Estimated to the thousandths: 4.143
Estimated to the tenths: 4.14
4 0
3 years ago
On 5 days, lisa swam 650 meters, 675 meters, 725 meters, 800 meters, and 900 meters. What was her average distance per day?
zlopas [31]

Answer:

Her average per day was 750 meters.

Step-by-step explanation:

To find the average, add all the numbers up in the set and divide by how many numbers there are.

650 + 675 + 725 + 800 + 900 = 3750. Divide it by 5 and you get 750

6 0
3 years ago
Read 2 more answers
PLEASE ANSWER!!! You are helping wish some repairs at home. you drop a hammer and it hits the floor at a speed of 12 feet per se
Andru [333]

Answer:

h = 2.25 m

Step-by-step explanation:

<u><em>Given:</em></u>

Speed = v = 12 ft/sec

Acceleration due to gravity = g = 32 ft/sec²

<u><em>Required:</em></u>

Height = h = ?

<u><em>Formula:</em></u>

v = \sqrt{2gh}

<u><em>Solution:</em></u>

For h, the formula will be:

=> h = \frac{v^2}{2g}

=> h = \frac{(12)^2}{2(32)}

=> h = \frac{144}{64}

=> h = 2.25 m

8 0
3 years ago
22. f(x) is stretched horizontally by a factor of 2 and reflected across the x-axis. Which choice shows the correct representati
goblinko [34]

Answer:

A. -f(1/2 x)

Step-by-step explanation:

Reflextion about the x-axis is

f(x) -> -f(x)

and horizontal dilation is

f(x) -> f(-x/b) where b is the factor of dilation.

so the proper answwer is

A. -f(1/2 x)

6 0
3 years ago
1/6+1/12=<br><img src="https://tex.z-dn.net/?f=1%20%5Cdiv%206%20%2B%201%20%5Cdiv%2012" id="TexFormula1" title="1 \div 6 + 1 \div
erica [24]

\frac{1}{6} + \frac{1}{12}


We know that:


\frac{a}{b} + \frac{c}{d} = \frac{a.d + b.c}{bd}


So,


\frac{1}{6} + \frac{1}{12} = \frac{1.12+6.1}{6.12}

\frac{12+6}{72}

\frac{18}{72}

\frac{9}{36}

\frac{3}{12}

\frac{1}{4}

8 0
3 years ago
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