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mrs_skeptik [129]
3 years ago
8

Solve the system 8x + 2y = -3, 3x - 2y = 8

Mathematics
1 answer:
choli [55]3 years ago
3 0

Answer:

x = 0.455   y = -3.318

Step-by-step explanation:

I graphed both of the equations on the graph below.

If this answer is correct, please make me Brainliest!

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What is the length of the hypotenuse of the triangle below? It’s D bro just took it
Viktor [21]

Answer: D

Step-by-step explanation:

a^2 +b^2 = c^2

3\sqrt{2}^2= 18

3\sqrt{2}^2= 18

18 + 18 = 36

The square root of 36 is 6

4 0
3 years ago
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A set of five quadrilaterals consists of a square, a rhombus, a rectangle, a trapezoid, and a parallelogram. Sally selects one o
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The answer is A. 1/5 because only 1 out of the 5 possible answers has 1 pair of parallel sides.
A. 1/5
3 0
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Fred has 36 strawberries and 42 blueberries. He wants to use them to garnish desert so that each desert has the same number of b
DENIUS [597]
To do this problem you must find the GCF or the greatest common factor of 36 and 42. For example 36 can be made by 1 and 36 2 and 18 3 and 12 4 and 9 and 6 and 6. 42 can be made by 1 and 42 2 and 21 3 and 14 and 6 and 7. The highest common factor is 6. So, if you put 6 berries on all of the desserts, you will put 6 strawberries on 6 tarts and 6 blueberries on 7 tarts. That’s a total of 13 desserts
7 0
3 years ago
Half a pepperoni pizza plus three fourths of a ham and pineapple pizza contains 765 calories 1/4 of a pepperoni pizza plus a who
yulyashka [42]

Answer:

Correct choice is D (In a whole pepperoni pizza are 660 calories, in  in a whole ham and pineapple pizza are 580 calories).

Step-by-step explanation:

Let x calories be the number of calories a whole pepperoni pizza contains and y calories be the number of calories a whole ham and pineapple pizza contains.

1. If half a pepperoni pizza plus three fourths of a ham and pineapple pizza contains 765 calories, then

\dfrac{1}{2}x+\dfrac{3}{4}y=765.

2. If 1/4 of a pepperoni pizza plus a whole ham and pineapple pizza contains 745 calories. then

\dfrac{1}{4}x+y=745.

3. Multiply each equation by 4 and get a system of two equations:

\left\{\begin{array}{l}2x+3y=3060\\x+4y=2980\end{array}\right.

From the second equation x=2980-4y, then

2(2980-4y)+3y=3060,\\ \\5960-8y+3y=3060,\\ \\-8y+3y=3060-5960,\\ \\-5y=-2900,\\ \\y=580.

Then

x=2980-4\cdot 580=2980-2320=660.

6 0
3 years ago
Suppose that F(x) = x^3 and G(X) = -3x^3. Which statement best compares the
Alik [6]

Answer:

D. The graph of G(x) is the graph of F(x) flipped over the y-axis and

stretched vertically.

Step-by-step explanation:

since there is a negative, there must be a reflection. the reflection is over the y-axis because it is outside the x-value (-F(x) not F(-x))

the same goes for the vertical stretch. we know it is a vertical stretch because the 3 is outside the x-value (3F(x) not F(3x))

6 0
2 years ago
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