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anzhelika [568]
3 years ago
9

How do you sort the polygons such as rectangle, square, parallelogram,, trapezoid, and quadrilateral? This question is asking th

e definition of the polyhedrons.Complete the Venn diagram's labels.
Write one term from the Word Bank in each blank.

Mathematics
1 answer:
Papessa [141]3 years ago
5 0
5) Three- Dimensional Objects
4) Polyhedron
3) Prisms
2) Rectangular Prisms
1) Cubes

Polyhedron means "a solid figure with many plane faces"

hope this helps
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Two mechanics worked on a car. The first mechanic worked for 15
nevsk [136]

Answer: For the sum of 130

First: $90

Second: $40

Step-by-step explanation:

We write equations for each part of this situation.

<u>The Total Charge</u>

Together they charged 1550. This means 1550 is made up of the first mechanics rate for 15 hours and the second's rate for 5 hours. Lets call the first's rate a, so he charges 15a. The second's let's call b. He charges 5b. We add them together 15a+5b=1550.

<u>The Sum of the Rates</u>

Since the first's rate is a and the second is b, we can write a+b=130 since their sum is 130.

We solve for a and b by substituting one equation into another. Solve for the variable. Then substitute the value into the equation to find the other variable.

For a+b=130, rearrange to b=130-a and substitute into 15a+5b=1550.

15a + 5 (130-a)=1550

15a+650-5a=1550

10a+650-650=1550-650

10a=900

a=$90 was charged by the first mechanic.

We substitute to find the second mechanic's rate.

90+b=130

90-90+b=130-90

b= $40 was charged by the second mechanic

5 0
3 years ago
Write 0.13 decimal out in words
Scorpion4ik [409]

Answer:

Thirteen hundredth

Step-by-step explanation:

5 0
3 years ago
F(x)= 2x + 13 and g(x) = 5x -20 what is g(x) - f(x)
yarga [219]

Answer:

(g - f)(x) = 3x - 33

Step-by-step explanation:

Arrange f(x)= 2x + 13 and g(x) = 5x -20 vertically as shown below:

 g(x) = 5x - 20

-f(x) = -2x - 13

----------------------

(g - f)(x) = 3x - 33

6 0
3 years ago
What is the relationship between the two constants of proportionality?
DIA [1.3K]
We call the ratio between two directly proportional quantities the constant of proportionality. When two quantities are directly proportional, they increase and decrease at the same rate. While these two quantities may increase or decrease, the constant of proportionality always remains the same.
6 0
3 years ago
How to do 10 to 4 decrease
USPshnik [31]
If you're talking about the ratio 10:4, you can decrease it by dividing both numbers by 2.

10:4=5:2

The ratio decreases to 5:2
6 0
3 years ago
Read 2 more answers
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