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Molodets [167]
3 years ago
11

I need help, please come answer this

Mathematics
2 answers:
Tomtit [17]3 years ago
8 0

Answer:

8 \times  \frac{15}{5}  - (5 + 9) \\8 \times 3 - (14) \\ 24 - 14 \\  = 10

I hope I helped you^_^

JulsSmile [24]3 years ago
3 0
10

Work:
PEMDAS
8 • 15/5 - (5 + 9)
8 • 3 - 14
24 - 14
10
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#16 and #19 only <br> Please answer both as soon as possible.
Vlad1618 [11]

Answer:

1. it is not a direct variation because the value <em>k</em> is not kept throughout the ordered pairs

2. -a^5 - 2a³ + 2a², leading coefficient is -1

Step-by-step explanation:

1. to find the direct variation, we will use y/x = k with k representing our constant throughout the chart. if every value is equal to k, it is a direct variation

for this problem we will assume that the cup sizes are x and the cost is y

so the ordered pairs are (8, 0.90), (12, 1.35), (16, 1.80), and (24, 2.25)

.90/8 = 0.1125 <-- this is our <em>k</em> value for which every result has to be equal to

1.35/12 = 0.1125

1.80/12 = 0.1125

2.25/24 = 0.09375

since the value <em>k</em> was not kept throughout the ordered pairs, this is not a direct variation

2. the standard form of a polynomial is the exponents in descending order.

we have the following polynomial: 2a² - a^5 -2a³

to write it in standard form, we will go in descending order of the exponents. the largest exponent being first

-a^5 - 2a³ + 2a²

the leading coefficient of the polynomial is -1, as there is a negative sign in front of the newly formed polynomial

4 0
3 years ago
A line passes through the point (-2,7) and had a slope of -5
Annette [7]

Answer:

a = -1

Step-by-step explanation:

The general equation for a straight line is y = mx+c, where m is the gradient/ slope, so m = -5. The first thing we need to do is find c, which we do by plugging in the x and y values that we already know: y = 7 and x = -2

7 = -5*(-2) + c

7 = 10 + c

c = 7-10 = -3

Now, we have the general equation of y = -5x -3 and we can use this to find a.

We'll treat a as x and y will be equal to 2:

2 = -5a -3

5 = -5a (Divide both sides by 5)

-a = 1 (now by -1)

a = -1

7 0
3 years ago
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Find the area for all of these numbers
qwelly [4]
answer : 29
………………….
6 0
2 years ago
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If square root of x has a decimal approximation of 3.4, then x is between which two integers? In your final answer, include all
Zina [86]

Answer:

You know that √x = 3.4, therefore x = 3.4² = 11.56

Hope I helped :)

6 0
3 years ago
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Amber is solving this problem.
Serhud [2]

Correct choice is 1,260 and 151,200

The product of 252 and 605 is 152,460

In the choice we have to choose from, one or more numbers have to add up to give a total of 152,460.

The choice is actually 1,260 and 151,200 which gives a total of <u>152</u><u>,</u><u>460</u><u>.</u>

8 0
3 years ago
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