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Vikki [24]
3 years ago
12

Y = −2 4x − 3y = 18 solved by substitution please show work so i can understand :)

Mathematics
2 answers:
ycow [4]3 years ago
5 0

Answer:

Step-by-step explanation:

y = -2

4x - 3y = 18

4x - 3(-2) = 18

4x + 6 = 18

4x = 12

x = 3

(3, -2)

vesna_86 [32]3 years ago
5 0

Answer:

I love algebra

The ans is in the picture with the steps how i got it

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:

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Please answer question b.
ser-zykov [4K]
It is 10.l; Divide 1000 by 93 1/2 and you get 10.6951872... which is a really long decimal, but keep in mind they are asking for the GREATEST POSSIBLE NUMBER that Jodi can cut out, which means that they are looking for a whole number; how much possible?
6 0
3 years ago
A sphere has a radius of 4 inches. What is the surface area of the smallest cube that could circumscribe the sphere?
vovikov84 [41]

Answer:

SA=384\ in^2

Step-by-step explanation:

we know that

The smallest cube that could circumscribe the sphere has a length side equal to the diameter of the sphere

In this problem

The radius of the sphere is r=4\ in

The diameter of the sphere is two times the radius

D=2r=2(4)=8\ in

so

The length side of the cube is

b=8\ in

Remember that

The surface area of a cube is equal to the area of its six faces

so

SA=6b^2

substitute the value of b

SA=6(8)^2

SA=384\ in^2

6 0
3 years ago
Solve for y. 6 = 2(y + 2) <br> A) 6<br> B) 1 <br> C) 8<br> D) 2
tankabanditka [31]
The answer is B.

6 = 2 (y + 2)

y = 1
7 0
3 years ago
Read 2 more answers
Which is a better buy: 3 pounds for $3.87 or 5 pounds for $6.65?
ANEK [815]
5 pounds for 6.65 because you will get more pounds for a good amount of money.
7 0
3 years ago
Read 2 more answers
A pole vaulter rested a 17 foot pole against a wall. If the top of the pole hit the wall 14 feet above the ground, how far from
mart [117]

Answer:

a = √93

a ≈ 9.64

Step-by-step explanation:

We can use the Pythagorean theorem for this: a² + b² = c²

c is given as the hypotenuse, which is the pole with a length of 17 ft

c² is 17²

b is a leg with a height of 14 ft

b² = 14²

We need to find the base leg, a,  distance from the wall to the base of the pole.

Solve:

a² + 14² = 17²

a² + 196 = 289

a² = 93

a = √93

-Chetan K

7 0
2 years ago
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