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Mashcka [7]
4 years ago
11

Someone pls help i don’t understand this

Mathematics
1 answer:
soldi70 [24.7K]4 years ago
3 0

Answer:

to help, i will demonstrate the first problem. This is a right triangle. We know this because it is a 45-45-90 triangle.

Because of this we know that the sides are 2 and 2 (they must be equal).

Now we need the hypotenuse- the side across from the right angle (in other words, the diagonal line).

To do this we take 2 times the square root of two. This makes it 2.82.

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Solve for x.<br> 3+x/2=10
mixer [17]

3+x/2=10

subtract 3 from both sides

x/2=7

divide each side by 2

x=3.5

make sure to check the work

7 0
4 years ago
Read 2 more answers
What’s the correct answer for this?
zalisa [80]

Answer:

AP = 14

Step-by-step explanation:

According to secant-secant theorem

(CP)(PD)=(BP)(AP)

7×12=6×AP

AP = 84/6

AP = 14

3 0
4 years ago
i found a place that will give me 20% discount if i buy something over $50. My bill is $75. What is my final bill after the savi
Mumz [18]
$60 , because 20%=10%+10%, and 75 10%=7.5, 7.5+7.5=15, so 75-15=60
8 0
3 years ago
Expressions equal to 10^5
Drupady [299]

Answer:

10 x 10 x 10 x 10 x 10, 20 x 20 x 10, 30 x 20

6 0
4 years ago
Plsss can someone answer the bottom question
slega [8]

Answer:

30

Step-by-step explanation:

\frac{75}{100} = \frac{x}{40}\\\\Cross- multiply:\\\\\\75*40=100x

3000 = 100x

x = 30

Another way:

75/100 is in reality 3/4

and 3/4 of 40 = 30

40/4 = 10

10 * 3 = 30

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

7 0
3 years ago
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