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marishachu [46]
3 years ago
7

What is the measure of Angle R?

Mathematics
2 answers:
Ivanshal [37]3 years ago
8 0

The sum of angles in triangle is equal to 180 degrees, so

<R =180-56-30

<R=94

Step2247 [10]3 years ago
7 0

Answer:

94

Step-by-step explanation:

to find angle R you would do 56 + 30 which is 86

then you would take 86 from 180 which would get you 94

hope this helps :)

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Im not sure if anyone can help me but if you can i would really appreciate it cuz im really confused about this so thank you. al
Advocard [28]

Answer:

Question 1) 6x+5

Question 2) Blank #1: sum. Blank #2: 5. Blank #3: 4

See work in the attachment. If you're still confused, read the step-by-step explanation for a more in-depth explanation of what exactly I did for my work. Let me know if you have any questions :>

Step-by-step explanation:

For question 1, it's important to know that the perimeter is equal to the sum of all the sides. Since the shape is a rectangle, the sides opposite of each other are the same length. Thus, the left and right sides are both 3x - 3. 2(3x - 3) = 6x - 6. The unknown value, which I called a, is the same for both the top and the bottom. To find it, you must first subtract 6x - 6 from the perimeter of 18x + 4. This equals 12x + 10. Then, divide that answer by 2 to get the unknown side. You then get 6x + 5 as the answer for the unknown side.

To make sure it's correct, you can plug in a random number for x. In this case, I checked my work by plugging 2 in for x.

Perimeter = 18(2) + 4 = 36 + 4 = 40

Perimeter = 6(2) + 5 + 6(2) + 5 + 3(2) - 3 + 3(2) - 3 = 12 + 5 + 12 + 5 + 6 - 3 + 6 - 3 = 24 + 10 + 12 - 6 = 40

For question 2, the main idea you need to know is that A = lw. The area of the first rectangle is 6 * 5 = 30. The area of the second rectangle is 6 * 4 = 24. When you add them together, you get 54. The area of the rectangle that is formed when you combine rectangle 1 and rectangle 2 is 6 * 9 = 54. This shows that 6(4) + 6(5) = 6(9)

6 0
3 years ago
CONDITIONAL PROBABILITY URGENT?
a_sh-v [17]

Let the event A=\{ Horse \}, B=\{ Female \}

The the probability of the events

P(A \cap B)=\frac{2}{14+26} =\frac{1}{20}

P( B)=\frac{26}{14+26} =\frac{13}{20}

The conditional probability

P(Horse|Female)=P(A|B)=\frac{P(A \cap B)}{P(B)} =\frac{1/20}{13/20} =\frac{1}{13}

8 0
3 years ago
Name three decimals with a product that is about 40.
pochemuha
<span>Some of the decimals which when multiplied will give a product of about 40 are: (1) 40. and first decimal, (2) 0.40 and the second decimal, and lastly (3) 4.0 and the third decimal. It must be noted that the multiplication of a number with a decimal will move the decimal place one place to the right. </span>
6 0
3 years ago
Read 2 more answers
How do i do these without a calculator
77julia77 [94]

Answer:


Step-by-step explanation:

ok just try to figure out the square root if their no certain number you can do an estimate.

For example 625 squared root is 125

For higher one you can use prime factorization to get the prime factors and with that you have to make groups of numbers with the number left side

8 0
2 years ago
Aaron was
olga55 [171]

Answer:

12 1/4 cups

Step-by-step explanation:

11/2 = 5.5 cups

5.5 + 3/4=6.25 (which is basically,6 1/4)

6 1/4 + 6 = 12 1/4 cups

4 0
2 years ago
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