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Finger [1]
3 years ago
10

-21 is a number b divided by 3 minus 5.

Mathematics
1 answer:
nadezda [96]3 years ago
5 0

Answer: b is -48

Step-by-step explanation:

-21 = b/3 - 5/1

Cross multiply

b-15= -21 ×3

b-15= -63

b= -63 + 15

b= -48

To cross -check,

-21 = -48/3 -5

-21= -16 -5

Mark as brainliest please.

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PLSS HELP
Inessa [10]

Answer:

I'm not sure if you mean the type of triangle or the other number but I'm pretty sure it's an equilateral triangle and the the number is 8.

Step-by-step explanation:

6 0
3 years ago
I need help! Find the measure of the indicated angle to the nearest degree.
Klio2033 [76]

Seeing as this is a right triangle, we would solve for the unknown angle using a trigonometric function.

Remember! SOH-CAH-TOA

Looking from the unknown angle, we are given the adjacent side and the hypotenuse. Therefore, we should use the cosine function.

cos(?) = 17 / 19

---To find the unknown angle measure, you will need to use the inverse cosine function. This function is generally found by using the "2nd" button on your calculator and then pressing the cosine button. It should look like one of the following options: "cos^-1" or "arccos".

Make sure your calculator is in degrees, not radians!

cos^(-1) [17/`9]

26.52

---Round to the nearest degree per the instructions

Answer: 27 degrees

Hope this helps!

8 0
3 years ago
Suppose there is a 17.5 % probability that a randomly selected person aged 35 years or older is a smoker. In​ addition, there
nexus9112 [7]

Answer:

The answer is 43% or 0.43

Step-by-step explanation:

Given:

Probability that person selected aged 35years or older is a smoker = 17.5%

Probability that person selected aged 35years or older is a female comma =25.5%

Solution:

a) Probability (35yrs or older is a smoker) + probability (35years or older is a female comma)

= 17.5% + 25.5%

= 43% 0r 0.43

b) No, it would not be unusual because it is by chance, it may and it may not.

8 0
3 years ago
Read 2 more answers
Help for points quick pls
kotykmax [81]
$0.10 since you divide the price by the fluid ounce. (1.19/12=0.991...)
5 0
3 years ago
Fill in the blank 43_ _ _54
Oksana_A [137]

Answer:

The answer is add 4.

Step-by-step explanation:

I know this because if you add 4 to 43 that's 47 so that's 1 of the blanks. Add another 4 that's 51. that's another 1. and that's last one is add 4 which makes 54.

Hope this helps.

6 0
3 years ago
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