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Korolek [52]
4 years ago
5

10x-4y=8 3x - 4y = -6. What’s the x and y

Mathematics
1 answer:
Alik [6]4 years ago
6 0
X equals 2 and Y equals 3.
10(2)-4(3)= 20-12. Which is 8.
3(2)-4(3)=6-12. Which equals -6.
Please vote my answer brainliest! Thanks.
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Coefficient of 24x+32+4x+3
coldgirl [10]

Firstly, you can combine like terms, or terms that have the same variable and exponents.


24x and 4x both have the variable "x" so it can be combined to make 28x


A coefficient is basically just the number that's used to multiply the variable

In this case, the variable is "x" and the number that will be multiplied to x is 28.


<em>The coefficient is 28.</em>

6 0
3 years ago
Use the properties of exponents to determine the value of aa for the equation: Screenshot is below
scoray [572]

Answer:

a = -9/20

Step-by-step explanation:

We can evaluate what’s on the left hand side of the equation to get what a is.

The numerator can be expressed as x^(4/5)

The denominator is x^5/4

we use the law of indices to finish this off

That would be;

x^(4/5) ÷ x^(5/4)

Using the second law of indices;

x^(4/5-5/4) = x^-9/20

Since the bases are now equal, then we equate the powers

Thus a = -9/20

6 0
4 years ago
Simplify the following expression.<br> -16 - 8/2 + 25 ÷ 5 + 1<br> -18<br> 6<br> 10<br> -6
Andrews [41]
The answer is -6. Thought there is a chance I am wrong. Need an explanation?
6 0
4 years ago
Melissa threw a coin from a bridge 160 feet high with an initial speed of 30 feet per second. Which of the following expressions
Flauer [41]
160+30x Because you initially start with 160 and 30 feet per second. the 30 feet is the one that's progressing so that's the x.
3 0
3 years ago
A rectangular container that has a length of 30 cm, a width of 20 cm, and a height of 24 cm is filled with water to a depth of 1
BaLLatris [955]

Answer:

5400cm^{3} more water could be added to the container before the container overflows

Step-by-step explanation:

The volume of the rectangular container is got by multiplying its given dimensions: Length X breadth X height

This will be  30 X 20 X 24 = 14400 cm^{3}

To find the volume of water inside the rectangular container, we will use the new height for our computation of volumes, keeping the length and breadth of the cylinder the same.

This will be 30 \times 20 \times 15 =9000 cm^{3}

The volume of water needed to be added until the container overflows will be got by subtracting the volume of water present in the container from the total volume of the container

14400 - 9000 =5400cm^{3}

Note 1 cm^{3}= 1 ml

4 0
3 years ago
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