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dedylja [7]
3 years ago
8

PLZ HELP NOT HARD AND WORTH IT FOR THE POINTS!

Mathematics
2 answers:
Delicious77 [7]3 years ago
7 0
.i got 8333x10 but that’s just my answer
Zinaida [17]3 years ago
4 0
Part A:

If it is calculating scientific notation,
I think:
3 33
3.25 x 10 divided by 3.9 x 10

-31
Answer = 8.333 x 10
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Describe the graph of the quadratic from the original y = x^2 .
Citrus2011 [14]

Answer:

a. Narrower

b. Shifts left

c. Opens up

d. Shifts up

Step-by-step explanation:

The original quadratic equation is y = x²

The given quadratic equation is y = 5·(x + 4)² + 7

The given quadratic equation is of the form, f(x) = a·(x - h)² + k

a. A quadratic equation is narrower than the standard form when the coefficient is larger than the coefficient in the original equation

The quadratic coefficient is 5 > 1 in the original, therefore, the quadratic equation is <em>narrower</em>

b. Given that the given quadratic equation has positive 'a', and 'b', and h = -4, therefore, the axis of symmetry <em>shifts left</em>

c. The quadratic coefficient is positive, (a = 5), therefore, the quadratic equation <em>opens down</em>

d. The value of 'k' gives the vertical shift, therefore, the given quadratic equation with k = 7, <em>shifts up.</em>

4 0
2 years ago
If the gradient of a line joining the points (-2, 6) and (5, b) is 14.<br> Find the value of b.
babunello [35]

Answer:

b = 104

Step-by-step explanation:

Slope is expressed as;

m = y2-y1/x2-x1

14 = b - 6/5-(-2)

14 = b - 6/5+2

14 = b-6/7

Cross multiply

b-6 = 14 * 7

b - 6 = 98

b  = 98 + 6

b = 104

3 0
3 years ago
Number name for 8.542
Len [333]

Number name is the same as word form

8.542 = eight and five hundred fourty-two thousandths.

hope this helps

8 0
2 years ago
Read 2 more answers
1/3+1/3+1/3+1/3=4/3<br><br> is this answer correct?
natali 33 [55]
Yes but if you need it in mixed number form it’s 1 1/3
7 0
3 years ago
Solve for A ? <br><br> Anyone willing to help me :)
GrogVix [38]

Answer:

<h2>2.2</h2>

Step-by-step explanation:

Use the cosine law:

BC^2=AB^2+AC^2-2(AB)(AC)\cos(\angle A)

We have:

BC=a\\\\AB=4\\\\AC=3\\\\m\angle A=32^o\to\cos32^o\approx0.848

Substitute:

a^2=4^2+3^2-2(4)(3)(0.848)\\\\a^2=16+9-20.352\\\\a^2=4.648\to a=\sqrt{4.648}\\\\a\approx2.2

5 0
2 years ago
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