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aivan3 [116]
3 years ago
6

Whats the measure of angle b?

Mathematics
1 answer:
masha68 [24]3 years ago
5 0

Answer:90 degrees

Step-by-step explanation:

Angle b is a right angle

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If you were to solve the following system by substitution, what would be the best variable to solve for and from what equation?
VashaNatasha [74]

Answer: B. x, in the second equation

Step-by-step explanation:

The given system :

2x+6y=9...................(1)\\\\3x-12y=15.........................(2)

To apply the substitution method , first we need to select the best variable and  a equation which is easy to simplify.

From the given system equation (2) have all the numbers which are multiples of 3.

Then we divide 3 on both sides of equation (2), we get

x-4y=5\\\\\Rightarrow\ x=4y+5

Therefore, the best variable to solve for and from what equation is x, in the second equation.

7 0
3 years ago
Leroy can walk 3 1/3 miles in a hour. How many miles can he walk in 2 5/8 hours?
Inessa05 [86]
10/3mi/1hr
10/3mi/1hr*21/8hrs=10*21/24=10*7/8=70/8miles
=35/4miles=8 3/4 miles
7 0
4 years ago
Coco's garden has 888 tomato plants, 444 pepper plants, 333 squash plants, and 666 pumpkin plants.
raketka [301]
8 + 4 + 3 + 6 = 21There are 21 plants altogether.21 is 3 times 7.For every 21 plants there are 6 pumpkin plants, sofor every 7 plants, there are 2 pumpkin plants.

7 0
4 years ago
Change 7 out of 50 to a percentage
ANTONII [103]
By multiplying by 2
we get 14/100
which is 14 %
8 0
4 years ago
Read 2 more answers
A pizza shop advertises that they deliver in 30 minutes or less or it is free. People who live in homes that are located on the
vitfil [10]

Answer:

u

Step-by-step explanation:

Solution:-

- Claim : pizza shop deliver in 30 minutes or less or it is free.

- Alternate : People who live in on opposite side of town believe it will take the pizza shop longer than 30 minutes to make and deliver the pizza.

- Sample size taken n = 50 > 30

- The sample mean = 32 mins

- The appropriate symbol for sample mean used in test statistics is (u).

5 0
3 years ago
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