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Yakvenalex [24]
3 years ago
7

Pretty please help me thank you its 2 questions

Mathematics
1 answer:
Alex3 years ago
3 0
3. is SAS
4. is CPCTC
5. i think its 66
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If elephant grass grows 2 1/4 inches a day, how many inches will it grow in 9 days?
lesantik [10]

Answer:

20.25 inches

Step-by-step explanation:

2.25x9=20.25

3 0
3 years ago
Read 2 more answers
Explain how to find the value of x. Be sure to include the postulates, definitions and theorems that justify your answer.
Black_prince [1.1K]

Answer: x = 12

Step-by-step explanation:

We can see two triangles rectangles, we will use the angle S to solve this, as this angle is common to both triangles.

We know that:

cos(S) = adj cathetus/hipotenuse.

Then we have, for the triangle SRT.

Cos(S) = 9/SR.

for the big triangle, SQR, we have:

Cos(S) = SR/(9 + 16)

now we can find the quotient of those two equations and get:

cos(S)/cos(S) = 9/Sr*(9+16)/SR

SR^2 = 9*(25)

SR =  15.

Now with this side we can find the value of x.

We can use the Pythagorean theorem in the triangle SRT, where the sum of the squared cathetus is equal to the hypotenuse:

9^2 + x^2 = 15^2

x = √(15^2  - 9^2) = 12

7 0
3 years ago
Help Please!! I will give brainliest!
quester [9]
If you take the total height and divide it by the number of cases it, it will then give you the heigh of just one case.
90 divided by 6=15
It’s 15 millimeters per DVD case. Then you take 15 and multiply it by 13 to get the total height of the stack of 13 cases.
Hope this helps!
6 0
3 years ago
Read 2 more answers
Round 630,379,982 to the nearest hundred thousand
mamaluj [8]

Answer:

630,400,000

Step-by-step explanation:

630,379,982

The 3 above that is bold, between the 0 and the 7, is in the hundred thousands place.

To round to a place, change all digits to the right of that place to zero. If the digit immediately to the right is 0 through 4, you're done. If the digit immediately to the right is from 5 to 9, then you raise the digit you are rounding to by 1.

Step 1. Make all digits to the right of the hundred thousands digit 0.

630,300,000

Step 2. Since the digit immediately to the right of the hundred thousands digit was a 7, which is from 5 to 9, the digit we are rounding to goes up by 1. The 3 becomes 4.

630,400,000

Answer: 630,400,000

5 0
3 years ago
Read 2 more answers
2. Which of the following statements describes the graph below?
In-s [12.5K]

Answer:

B. and D i think

Step-by-step explanation:

4 0
2 years ago
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