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zimovet [89]
3 years ago
7

Hi! I need Help What is the answer to (-37) - (+14) Negative 37 minus positive 14

Mathematics
1 answer:
Dimas [21]3 years ago
5 0

Answer: -51 my friend

Step-by-step explanation:

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If 3t -7 =5t, then 6t=
Fynjy0 [20]
3t -7 = 5t
Minus 3t over

-7= 2t
t= -7/2

6(t) = 6(-7/2) = -42/2 = -21

6t = -21
7 0
3 years ago
Solve the system:<br><br><br> x+4y=1<br><br><br> 3x+5y=10
never [62]

Answer:

x=6.25\\y=-1.25

Step-by-step explanation:

3x+5y=10\\x+3y=1\\\\

Second equation times 3:

3x+9y=3

1st equation minus equation above:

-4y=7\\y=-7/4

Insert to equation:

3x+\frac{-35}{4}=10\\12x-35=40\\12x=75\\x=75/12=6.25

4 0
3 years ago
Kelvin ordered four pizzas for a birthday party. The pizzas were cut into eighths. How many slices were there? (Draw a picture t
7nadin3 [17]

Answer:

32 slices are there thankyou

8 0
2 years ago
Read 2 more answers
The base of a triangle is 7 inches more than 4 times the height. If the area of the triangle is 93 square inches, find the base
Galina-37 [17]

Answer:

Step-by-step explanation:

Let the height = h

Let the base = 4h + 7

Area of a triangle = 1/2 * b * h

Area = 93 square inches

1/2 * (4h + 7)* h = 93            Multiply both sides by 2

(4h + 7) * h = 93*2

(4h + 7)*h = 186                    Remove the brackets

4h^2 + 7h = 186                   Subtract 186 from both sides.

4h^2 + 7h - 186 = 0

Use the quadratic formula to solve

a = 4

b = 7

c = - 186

x1 = (-7 + sqrt(7^2 - 4*4*(-186) ) /2*4

x1 = (-7 + sqrt(49 - 16*(-186)) / 8

x1 = (-7 + sqrt(49 + 2976)) / 8

x1 = (-7 + sqrt(3025)) / 8

x1 = (-7 +55 ) / 8

x1 = (48)/8

x1 = 6

There is another root, but it has to be minus and therefore cannot be used as a length. x2 = - 7.75

h = 6

b = 4*6 + 7 = 31

Check

Area = 1/2 * b * h

Area = 1/2 * 31 * 6

Area = 1/2 *186

Area = 93 which is what we were given so the answer is correct.

4 0
2 years ago
What is 3.47 correct to 2 decimal places <br><br> what is 8.132 correct to 3 decimal places
Olenka [21]
If I'm understanding the question they should be those. If you want to go left then the would be

Left
0.00347
0.008132

Right
347.
8,132.
6 0
3 years ago
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