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Elza [17]
2 years ago
9

In the expression 3x + 5x – 3y + 5, which terms are “like terms”?

Mathematics
2 answers:
posledela2 years ago
8 0

Answer: C

Step-by-step explanation: 3x and 5x both have x

vlabodo [156]2 years ago
8 0
C - 3x and 5x. Because like terms are the ones with the same variable/letter.
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IF Triangle DEF JKL, find KL.
s344n2d4d5 [400]

Answer:

b

Step-by-step explanation:

Since the triangles are similar then the ratios of corresponding sides are equal, that is

\frac{KL}{EF} = \frac{JK}{DE} , substitute values

\frac{6x+3}{x+11} = \frac{25}{10} ( cross- multiply )

10(6x + 3) = 25(x + 11) ← distribute parenthesis on both sides

60x + 30 = 25x + 275 ( subtract 25x from both sides )

35x + 30 = 275 ( subtract 30 from both sides )

35x = 245 ( divide both sides by 35 )

x = 7

Then

KL = 6x + 3 = 6(7) + 3 = 42 + 3 = 45 → b

3 0
3 years ago
Two rectangles are similar. The first rectangle has a length of 15 cm and a width of 10 cm. The width of the second rectangle is
Margarita [4]

Answer:

Its length is 37.5 cm.

Step-by-step explanation:

If two rectangles are similar, their sides are proportional, that is, they have equal ratios. So

The first rectangle has a length of 15 cm and a width of 10 cm. The width of the second rectangle is 25 cm.

So

\frac{15}{10} = \frac{l}{25}

10l = 25*15

Simplifying by 10.

l = 2.5*15 = 37.5

Its length is 37.5 cm.

7 0
3 years ago
What is rotational symmetry
Alisiya [41]
<span>A shape has Rotational Symmetry when it still looks the same after a rotation.</span>
4 0
3 years ago
A phone company offers two packages of service. Package A is $35.00 per month with an additional charge of $0.15 per minute for
ella [17]

Answer: 200 minutes have to be used for the costs of both plans to be the same.

Step-by-step explanation:

Let x represent the number of minutes that have to be used for the costs of both plans to be the same.

Package A is $35.00 per month with an additional charge of $0.15 per minute for long distance. This means that the cost of using package A for x minutes in a month would be

35 + 0.15x

Package B is $45.00 per month with an additional charge of $0.10 per minute for long distance. This means that the cost of using package A for x minutes in a month would be

45 + 0.1x

For both costs to be the same, it means that

35 + 0.15x = 45 + 0.1x

0.15x - 0.1x = 45 - 35

0.05x = 10

x = 10/0.05

x = 200

3 0
3 years ago
Put the following fractions in order from greatest to least:
kifflom [539]
C,B,D,A

8/4= 2
4/3= 1 1/3
7/5 = 1 2/5
7/10 cant be simplfied at all
5 0
3 years ago
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