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3 years ago

I need this like asap

Mathematics

1 answer:

UNO [17]3 years ago

3 0

Answer: 2x−4

Step-by-step explanation:

pictue to show you the answer have a bless day

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Alan drew a scale drawing of a house and its lot. The scale he used was 1 millimeter: 5 meters. In the drawing, the lawn in the

Marat540 [252]

50 meters

Explanation

you can easily solve this by using a rule of three.

Step 1

Let

$\begin{gathered} 1\text{ milemeter}\rightarrow5\text{ meters} \\ \text{the proportion is} \\ \frac{1\text{ mm}}{5\text{ mt}} \end{gathered}$

x represents the length of the actual lawn

then

$\begin{gathered} 10\text{ mm}\rightarrow x\text{ mt} \\ \text{the proportion is} \\ \frac{10\text{ mm}}{\text{xmt}} \end{gathered}$

the proportion is the same, so

Step 2

$\begin{gathered} \frac{1}{5}=\frac{10}{x} \\ \text{solve for x} \\ 1\cdot x=5\cdot10 \\ x=50 \end{gathered}$

so, the length is 50 meters

6 0

2 years ago

There are 18 students in Mr.Alvarez’s art class. Throughout the year, every student must pair up with every other student to com

earnstyle [38]

If there are 18 students every one of the will pair up with 17 other students throughout the year so the total amount of pairs that can be made is 18x17=306 but since it’s not important if student A is paired with student B or student B with student A we should divide the total amount of pairs by two- 306:2=153 so in total there will be 153 projects finished

5 0

3 years ago

What goes in the missing spaces? Help me plz

klio [65]

Answer:

6 | 3

30 | 15

40 | 20

56 | 28

Step-by-step explanation:

You need to find out how many spring rolls will feed a single person

$\frac{6}{3}=2$

then use this to multiply by two if you want number of rolls, or divide by two if you want to get number of people that can be fed.

3 0

3 years ago

What is greater 0.13 or 13.5%?

Mumz [18]

Answer:13.5% is greater than 0.13

Step-by-step explanation:

0.13 or 13.5% which is greater

13.5%=13.5/100=0.135

0.13 or 0.135 which is greater

0.135 is greater which means 13.5% is greater

3 0

3 years ago

Y = -9x - 2; (4, -37)

Karo-lina-s [1.5K]

Answer:

B. No the ordered pair does not satisfy the equation

Step-by-step explanation:

y = -9x - 2

Substitute the point in and see if it is true

-37 = -9(4) -2

-37 = -36 -2

-37 = -38

This is not true so the point is not a solution

6 0

4 years ago