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kolezko [41]
4 years ago
12

Laquez scored some points in the first half. In the second halt, he scored 12 more points. If he scored 30 points in the

Mathematics
2 answers:
egoroff_w [7]4 years ago
4 0

Answer:

18

Step-by-step explanation:

you would do 30-12=18

Ksenya-84 [330]4 years ago
4 0

Answer:

x+12=30

Step-by-step explanation:

Since you are finding how much in the first half, you write the equation like this.

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3 years ago
Derive the equation of the parabola with a focus at (-2,4) and a directrix of y=6 . Put the equation in standard form
Maru [420]

Answer:

y =  -  \frac{1}{4}  {(x + 2)}^{2}  + 5

Step-by-step explanation:

The vertex of this parabola is the midpoint of the focus (-2,4) and where the directrix intersects the axis of symmetry of the parabola (-2,6)

This parabola must open downwards due to the position of the directrix and has equation of the form:

{(x - h)}^{2}  =  - 4p(y - k)

where (h,k) is the vertex.

This implies that:

h =  - 2

and

k =  \frac{4 + 6}{2}  = 5

The value of p is the distance from the vertex to the focus:

p =  |6 - 5|  = 1

We substitute all the values into the formula to get:

(x -  - 2)^{2}  =  - 4(1){(y  - 5)}

{(x  + 2)}^{2}  =  - 4(y - 5)

Or

y =  -  \frac{1}{4}  {(x - 5)}^{2}  + 5

4 0
3 years ago
What is the extended ratio relating the side lengths of a 45-45-90 triangle?
Zanzabum

Answer:

RIGHT ANGLES

Step-by-step explanation:

There are two types of special right triangles, based on their angle measures. The first is an isosceles right triangle. Here, the legs are congruent and, by the Base Angles Theorem, the base angles will also be congruent. Therefore, the angle measures will be 90∘,45∘, and 45∘. You will also hear an isosceles right triangle called a 45-45-90 triangle. Because the three angles are always the same, all isosceles right triangles are similar.

7 0
4 years ago
Read 2 more answers
Can someone pleasee help it’s quiz due rn
Free_Kalibri [48]

Answer: i am prety sure that it is 8 because when you see that there is a plus sign a minus sign  and an equeal thats pretty much all you gotta do.

Step-by-step explanation:

6 0
3 years ago
What is negative five to the power of two
fiasKO [112]

the answer to your question is -25

5 0
3 years ago
Read 2 more answers
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