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3 years ago

PLEASE HELP IM BEGGING PLEASEEEE SEE ATTACHED DOCUMENT

Mathematics

1 answer:

ANTONII [103]3 years ago

3 0

Answer:

Step-by-step explanation:

3x-1 = 4x+13

-1=x+13

12=x

3(12)-1

36-1

Answer: 35

Second 5.

I'm not completely sure what this is referring to (please tell me if there is another part for this because there isn't any numbers such as <1 shown on the picture.)

90+40+x=180

130+x=180

50=x

Answer: 50

x+71=90

x=19

Answer: 19

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Can someone help with the first question on he sheet thanks

densk [106]

90 degrees for the rectangle because 360 divided by 4
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3 years ago

Hey can someone tell me why 132 is wrong? and help me with the right answer pls

andreev551 [17]

Answer:

∠CBA = 132

Step-by-step explanation:

Bisectors split up an angle into two identical angles

Thus, 7x - 11 = 2x + 44

This is the equation we will use to solve for x

7x - 11 = 2x + 44

step 1 add 44 to each side

44 + 11 = 55

-11 + 11 cancels out

we now have 7x = 2x + 55

step 2 subtract 2x from each side

7x - 2x = 5x

2x - 2x cancels out

we now have 5x = 55

step 3 divide each side by 5

5x / 5 = x

55 / 5 = 11

we're left with x = 11

The question is asking for the measure of ∠CBA

To find the measure of ∠CBA we plug in 11 for x in one of the given expressions and multiply that by 2 ( this is because the two angles are identical so there is no need to find the measures of both because ∠CBD≅∠ABD )

7(11) - 11

7 * 11 = 77

77 - 11 = 66

66 * 2 = 132

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3 years ago

Can anyone help me with this?

mart [117]

Answer:

Step-by-step explanation:

$\left\{\begin{array}{ccc}y=3x+2&(1)\\y=5x&(2)\end{array}\right\\\\\text{substitute (2) to (1):}\\\\5x=3x+2\qquad\text{subtract 3x from both sides}\\2x=2\qquad\text{divide both sides by 2}\\x=1\\\\\text{Put the value of x to (2):}\\\\y=5(1)=5$

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3 years ago

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Answer:

5.31x=9.28-6.65

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x=<u>2</u><u>.</u><u>63</u>

5.31

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Answer:

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Step-by-step explanation:

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