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2 years ago

What are the x intercept and y intercept of the graph of 5x+8y=20

Mathematics

1 answer:

Arada [10]2 years ago

4 0

Answer:

x intercept: (4,0)

y intercept: (0,2 1/2)

Step-by-step explanation:

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How are the graphs of y = sin(x) and y = sin(8x) related? *

Annette [7]

Answer:

O There is a change in the period of the function

Step-by-step explanation:

O There is a change in the period of the function; The period of sin x is 8 times longer than the period of sin 8x.

8 0

2 years ago

Look at the question

tamaranim1 [39]

Your answer is:

B. subtract 10 to both sides

Hope it helps
Have a great day :)
Let me know if it’s correct

5 0

2 years ago

Evaluate the expression 3x^2+ y if x = 1 and y = -3.

elena-14-01-66 [18.8K]

3(1)^2-3= 0
Plug in the numbers because x=1 plug In 3(1)^2 and it equals 3 then subtract y which is 3-3= 0

4 0

2 years ago

One solution to a quadratic function, h, is given.

Margaret [11]

Answer:

B. The other solution to function $h$ is $-4-i\,7$ .

Step-by-step explanation:

From Algebra, we remember that quadratic functions of the form $a\cdot x^{2}+b\cdot x + c$ has solutions of the form:

$x = \frac{-b\pm \sqrt{b^{2}-4\cdot a\cdot c}}{2\cdot a}$ , where both are complex if and only if $\sqrt{b^{2}-4\cdot a \cdot c}< 0$ .

Hence, if one solution of the quadratic function is $-4+i\,7$ , then the other solution is $-4-i\,7$ . The correct answer is B.

7 0

2 years ago

In triangle A B D , the measure of angle A is 10 degree less than the measure of angle B . The measure of angle D is 20 degree m

elixir [45]

Answer:

Measure of angle A is 27 7/9 degrees.

Step-by-step explanation:

Lets call measure of angle A is X-10

Lets call measure of angle B is X

Lets call measure of angle D is 2.5X+20

We know that the sum of triangles add up to 180 degrees

X+X-10+2.5X+20=180

X=37 7/9

So measure of angle A is 27 7/9 degrees.

I hope this is right. :)

8 0

2 years ago