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Xelga [282]
3 years ago
11

3x + 7 - x + 2 A.2x + 9 B.2x + 5 C.4x + 9 D.4x - 5

Mathematics
2 answers:
xz_007 [3.2K]3 years ago
4 0

Answer:

A

Step-by-step explanation:

3x + 7 - x + 2 combine like terms

3x - x + 7 + 2

2x + 9

Option A

Jobisdone [24]3 years ago
3 0
The answer is letter A
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Find the value of x in the triangle.
Vinvika [58]

=  > 3x + 15 + 4x + 12 = 180 \\  =  > 7x + 27 = 180 \:  \:  \:  \:  \:  \:  \:  \: \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  =  >  \: 7x = 180 - 27 = 153 \:  \:  \:  \:  \\ x =  \frac{153}{7} = 21  \\ x = 21

3 0
2 years ago
triangle abc has the vertices A (0,10) B (4,10) C( -2,4). Find the orthocenter of ABC. A -2,-12 B 2,-12 C 12,-2 D-12,2
RUDIKE [14]
If you have listed the answer choices properly, none is correct. The orthocenter is (-2, 12).

___
See the attached figure.

4 0
3 years ago
The listed price of the video game was $34, but the price with tax came to $37.40. Find the percent sales tax.
Katarina [22]

Answer:

10%

Step-by-step explanation:

we want to find what % of 34 is 37.40

so, we will use the following equation:

\frac{part}{whole} = \frac{percent}{100}

for this scenario:

part = 37.40

whole = 34

percent = x

now plug in:

\frac{37.40}{34} = \frac{x}{100}                         cross multiply

34x = (37.40)(100)

34x = 3740                      divide both sides by 34

x = 110%

now we know that with tax, we paid 110% of the video game's price

110 - 100 = 10%

so the percent sales tax is 10%

<u>just to check... </u>

34 • 1.10 = $37.40

or

34 • .10 = 3.40

34 + 3.40 = 37.40

8 0
3 years ago
What is the equation of the line that passes through the point -8, 0 and has the slope of -1 / 4
svetlana [45]

Answer:

y=-1/4x-8

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Ratios! I need help, please! I'm really bad at Math
nekit [7.7K]

Answer:

first would be 8

second is 12

third is 16

last is 6

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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