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Ugo [173]
3 years ago
9

the number has three digits that add up to 10 when it is multiply by 0.5 the product is 6.35. whats the number?​

Mathematics
1 answer:
irina [24]3 years ago
4 0

Answer:

i know

Step-by-step explanation:

bro

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Solve for x 9-2x=35 <br><br>answers<br>-2<br>48<br>-22<br>-13
MaRussiya [10]
9-2x=35

SOLUTION...
x=-13
5 0
3 years ago
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x^2-y=7 and y-5x=-11 The system of equations above has two solutions. The solution in Quadrant 1 is (A,B) and the solution in Qu
dimaraw [331]

By solving the system of equations, we can see that the solutions are:

(A, B) = (4, 9)

(C, D) = (1, -6).

<h3>How to solve the system of equations?</h3>

Here we have the following system of equations:

x^2 - y = 7

y - 5x = -11

If we isolate the variable y in both equations, we get:

y = x^2 - 7

y = -11 + 5x

Now we can equate these two to get:

x^2 - 7 = -11 + 5x

now we have a quadratic equation, this can be rewritten as:

x^2 - 7 + 11 - 5x = 0

x^2 - 5x + 4 = 0

Using the quadratic formula, we will see that the solutions are:

x = \frac{5 \pm \sqrt{(-5)^2 - 4*1*(4)} }{2*1}

Solving that we get:

x = \frac{5 \pm \sqrt{(9} }{2} \\\\x = \frac{5 \pm 3}{2}

So the two solutions for x are:

x = (5 + 3)/2 = 4

x = (5 - 3)/2 = 1

Evaluating the second equation in these x-values we get:

y = -11 + 5*4 = -11 + 20 = 9

y = -11 + 5*1 = -6

Then we have the coordinate pairs: (4, 9) (on the first quadrant) and (1, -6) on the fourth quadrant.

Learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

8 0
1 year ago
A home improvement store rents vacuums at $45 for the first day and $22 for each day thereafter. If y represents the total cost
Gwar [14]

Answer with explanation:

Amount charged by Home Improvement Store for first day=$ 45

Amount charged per day after first day = $ 22

y= Total cost

x=Number of days Rented

Writing the above statement in terms of function

→y=1×$45 +(x-1)×$22

→→Total amount charged(y)=45+22x-22

→→→y=22x+23

is, the required function.

7 0
3 years ago
Read 2 more answers
A planter weighs 2 pounds and holds 3 pounds of soil. write two equivalent expressions for the total weight of nine planters. th
Anastasy [175]
Planters = (2*9)+(3*9) = 45 the answer is 45
5 0
3 years ago
28=-4 (2x+7) what does x equal
Alecsey [184]
Well first lets do the distributive property so the left side is already done 28, now the right side -4 (2x+7) when you do that you get -8x-28. So now we have 28=-8x-28. So now I would move the -28 to the left side and when you move stuff to the other side you change the sign so the sign will be positive 28+28 which is 56. Now you have 56=-8x. Now divide both side by -8 to have -7=x

Your Answer: x = -7
5 0
3 years ago
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