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KIM [24]
3 years ago
13

Number 9 and 10 plz

Mathematics
1 answer:
guapka [62]3 years ago
5 0
9) y = 2x + 5

10) The y-intercept is always the constant term (without x). Therefore, the y-int is -9. The slope is always the term in front of the x, and so it is 3. 
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10) A wheelchair ramp is getting built at the entrance of a building. The ramp will be 25 feet long from front
mezya [45]

Answer:

The angle complies with the state regulations.

Step-by-step explanation:

The angle of elevation is the angle \theta in the figure, and from trigonometry we find that

sin(\theta) = \dfrac{1.5ft}{25ft}

taking the inverse sine of both sides we get

\theta = sin^{-1}(\dfrac{1.5ft}{25ft})

which gives

\theta = 3.44^o

which is less than 5°, and therefore is well within the state regulations.

3 0
3 years ago
Maria has 2/3 cup of raisins and logan has 1/3 cup of raisins.who has more raisins ?​
nordsb [41]

Answer:

Maria because 2/3 is greater than 1/3

Step-by-step explanation:

2/3 is equal to 1/3 + 1/3

Hope I helped <3

8 0
3 years ago
Read 2 more answers
A pet store has 40 animals for sale and 15 of them are puppies what is the ratio of animals that are not puppies to the total nu
Anastaziya [24]

Answer: 5:8

Step-by-step explanation:

Given: Total animals in the pet store = 40

Number of animals that are puppies= 15

Number of animals that are not puppies= 40-  15 = 25

Now , the ratio of A to B = \dfrac{A}{B} or A : B.

So, the ratio of animals that are not puppies to the total number of animals for sale at the pet store = \dfrac{25}{40}

Divide numerator and denominator by 5 , we get \ \ \ \dfrac{5}{8}.

Hence, the required ratio = 5:8

7 0
3 years ago
The Pyramid of the Sun, in Teotihuacán, Mexico, is about 6 m tall and has a square base with side length 225m. What is the volum
Salsk061 [2.6K]
V of a square pyramid=1/3(areaofbase)H
remember that LW=area of base
H=6m
sides of base =225
L=W
equation is =
V=1/3(225 times 225) times 6=(225 times 225) times 2=50625*2=101250 cubic meters or m^3

answer is V=101250 cubic meters or m^3
7 0
3 years ago
Simplify.<br> 1/4(1−2/3)^2+1/3
ad-work [718]

Answer:

13/36

Step-by-step explanation:

1 - 2/3 equals 1/3 which is inside the parenthesis

square the number in parenthesis (1/3) and it equals 1/9

multiply the 2 fractions 1/4 and 1/9 to get 1/36

finally add 1/3 with 1/36

12/36 + 1/36 would equal 13/36

3 0
3 years ago
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