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Bess [88]
4 years ago
12

Dora spent $45 and has $32 left. Which equation can be used to calculate how much money Dora had at the beginning?

Mathematics
2 answers:
r-ruslan [8.4K]4 years ago
7 0
32+45 can be used to figure out the starting amount
vladimir2022 [97]4 years ago
5 0
$45 + $32 I believe -?   
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For a quadratic function, which characteristics of its graph is equivalent to the zero of the function? a) y-intercept b) maximu
Sonja [21]

Answer:

d) x-intercept

Step-by-step explanation:

The zeros of a function are the values of x that make y = 0.

Thus, they are the points where the graph crosses the x-axis, that is, the x-intercepts.

a) is wrong. the y-intercept is simply the value of y when x = 0.

b) and c) are wrong. A quadratic can have only one maximum or one minimum; it can't have both. And they are not zeros except in the special case of y = ±ax².

The diagram below is the graph of y = x² + 3x - 46. It shows the zeros at x = -23 and x = 20. The minimum and the y-intercept are not zeros of the function.

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3 years ago
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Answer: The vertical line test is used to determine if a graph of a relationship is a function or not. if you can draw any vertical line that intersects more than one point on the relationship, then it is not a function.

Hope this helps:)

7 0
3 years ago
how do I solve subtract 19 from My number and mulitply the difference by -4 , the result is -44 What is Sara number​
Lera25 [3.4K]
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5 0
3 years ago
∠A=5x−18. ∠B=3x+42∘ solve for x and then find the measure of ∠A
KatRina [158]

Answer:

x = 30 ∠A = 132 degrees

Step-by-step explanation:

Set the equations equal to each other to solve for x

5x - 18 = 3x + 42

-3x        - 3x               Subtract 3x from both sides

2x - 18 = 42

    + 18  + 18              Add 18 to both sides

2x = 60                     Divide both sides by 2

x = 30

Now plug this into the equation for angle A

∠A = 5(30) − 18        Multiply

∠A = 150 - 18           Subtract

∠A = 132 degrees

If this answer is correct, please make me Brainliest!

6 0
3 years ago
Read 2 more answers
Don’t mind the already picked answer..i don’t understand this question though
Tatiana [17]
The answer is = because all of the other dimensions to the triangles are equal.
5 0
3 years ago
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