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tigry1 [53]
2 years ago
7

Write and solve an equation to find the value of x and a missing angle in each triangle below. Use the number bank to help you c

heck your solutions as you fill in each blank. Not all of the numbers will be used.

Mathematics
1 answer:
jolli1 [7]2 years ago
5 0

Answer:

1. x = 30

REC = 130

Step-by-step explanation:

2x + 70 = 4x + 10

60 = 2x

x = 30

you try the others

Good luck :D

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1/4 to 1/2
erastovalidia [21]

Given:

\dfrac{1}{4}\text{ to }\dfrac{1}{2}

To find:

The percent of change, round to the nearest 10th of a percent.

Solution:

We have,

Initial value = \dfrac{1}{4}

New value = \dfrac{1}{2}

We know that, the percentage change is

\%\text{ change}=\dfrac{\text{New value - Initial value}}{\text{Initial value}}\times 100

Putting the given values, we get

\%\text{ change}=\dfrac{\dfrac{1}{2}-\dfrac{1}{4}}{\dfrac{1}{4}}\times 100

\%\text{ change}=\dfrac{\dfrac{2-1}{4}}{\dfrac{1}{4}}\times 100

\%\text{ change}=\dfrac{\dfrac{1}{4}}{\dfrac{1}{4}}\times 100

\%\text{ change}=1\times 100

\%\text{ change}=100\%

Here, the % change is positive, it represents the percent increase.

Therefore, the percent of change is 100% of increase.

7 0
3 years ago
Points a and b both lie on the line y=3x+7. Work out the missing y coordinate for a and the missing x coordinate for B?
Ghella [55]

Answer:

y coordinate = 13

x coordinate = -1

Step-by-step explanation:

Trail and error lol

8 0
3 years ago
In the decimal expansion of 2/9 the digit __ repeats indefinitely<br>​
wel

Answer:

I think the digit 2 would repeat indefinitely 2, 4, 8, 16, yada yada. Hope it helped

Step-by-step explanation:

8 0
3 years ago
Need help please help me please please
lozanna [386]

Answer:

7.5x

Step-by-step explanation:

UP YOUR NOSE TO THE LEFT THEN THE RIGHT THEN NEXT THING YOU KNOW YOU DON'T HAVE AN EYE ANYMORE YOUR EYELESS

3 0
3 years ago
What is the measure of the missing angle?
choli [55]

Answer:

<u><em>85 degrees</em></u>

Step-by-step explanation:

A triangle's angles must add up to 180 degrees.

50 + 45 = 95

180 - 95 = 85

x = 85

4 0
3 years ago
Read 2 more answers
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