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NeTakaya
3 years ago
8

What is the value of x in the equation

Mathematics
1 answer:
Effectus [21]3 years ago
8 0

Answer:

If u sub to Hyrum Arnold On You tube u rock

Step-by-step explanation:

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A students cost for last semester was $2100. She spent $420 of that on books. What percent of last semesters college cost was sp
kati45 [8]

the answer would be 20% on the books

3 0
3 years ago
Need help on the middle question
lesya692 [45]
V= pi * r^2 * h
471 = 3.14 * r^2 *6
471 = 18.84 * r^2
25 = r^2
Sqrt25 = r
5 = r
D= 2*5
D= 10in
6 0
3 years ago
Read 2 more answers
Long’s Coffee Shop sells a refill mug for $8.95. Each refill costs $1.50. Last month,
dem82 [27]

Answer: 12 refills

Step-by-step explanation:

y = 8.95 + 1.50x

26.95= 8.95 + 1.50x

26.95 - 8.95 = 1.50x

18 = 1.50X

18 / 1.50 = x

X = 12

8 0
2 years ago
Which system of equations is graphed below? On a coordinate plane, a line goes through (0, 1) and (4, negative 2) and another go
natulia [17]

Answer:

The correct option is (B)

(B) x-y = 6 , 3x+4y = 4

Step-by-step explanation:

As we can see in the graph given below, both lines intersect at (4, -2), which should be the solution of given equations:

Find the values of x and y for (B);

x - y = 6 ⇒ (i)

3x + 4y = 4 ⇒ (ii)

Lets consider equation (i)

x - y = 6

x = 6 + y

Substitute in equation (ii)

3(6+y) + 4y = 4

18 + 3y + 4y = 4

7y = -14

y = -2

Substitute in equation (i)

x - (-2) = 6

x + 2 = 6

x = 6 - 2

x = 4

As solution of part C is also (4, -2), it represents the graph

You can also find the (x, y) for other options the similar way, which will show you they don't have the same value

4 0
3 years ago
Read 2 more answers
The cost of 4 bicycles at $165 each plus the cost of 3 tricycles at <br> $54 each
IrinaK [193]

Answer:

$822

Step-by-step explanation:

4*165+3*54=822

good luck

6 0
3 years ago
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