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Nookie1986 [14]
3 years ago
10

Find the x-intercepts for y = -7x2 + 4x + 9 using the quadratic formula. Choose all

Mathematics
1 answer:
Nataly_w [17]3 years ago
4 0
What are the answer choices 35
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How many faces does a cube have
Bezzdna [24]

Answer:

6

Step-by-step explanation:

it has 6 sides

please give brainliest

3 0
3 years ago
Read 2 more answers
Someone help me with this I will make you brain
Anettt [7]

Step-by-step explanation:

when having an exponent of an exponent, the exponents are simply multiplied.

so, here we have 3/4 × 2/3 = (3×2)/(4×3) = 6/12 = 1/2

so, simplified, we have 5^(1/2).

now, a fraction as exponent indicates a root to be taken. which root is identified by the denominator of the fraction.

here this is 2 (of 1/2). so we need to take the square root.

therefore

\sqrt{5}

is the right answer.

4 0
3 years ago
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Volume in barrels of a tank 38.622 feet in diameter by 16 feet in height
Gnoma [55]
 3.14 * 19.311^2 = 60.63654
 60.63654 * 19.311 = 1170.95222394
1170.95222394 * 16 = 18744.738366545
<span>18744.738366545 foot^<span>3
</span></span>
7 0
3 years ago
Given the following functions:
andrew-mc [135]

Answer:

x^2 - 6x + 9.

Step-by-step explanation:

f(x) = x^2 and g(x) = x - 3.

To find f(g(x))  we replace the x in f(x) by g(x).

f(g(x)) = (x - 3)^2

= x^2 - 6x + 9.

5 0
3 years ago
Your coffee bar has two kinds of drink One cup of the first one costs 9 grams of juice , 4 grams of coffee and 3 grams of sugar
VMariaS [17]

Answer:

How many drinks should be sold to get a maximal profit? 468

Sales of the first one = 345 cups

Sales of the second one = 123 cups

Step-by-step explanation:

maximize 1.2F + 0.7S

where:

F = first type of drink

S = second type of drink

constraints:

sugar ⇒ 3F + 10S ≤  3000

juice ⇒ 9F + 4S ≤  3600

coffee ⇒ 4F + 5S ≤  2000

using solver the maximum profit is $500.10

and the optimal solution is 345F + 123S

6 0
3 years ago
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