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galina1969 [7]
3 years ago
10

Solve: f(x)=2x^2+10x+12 using the Quadratic Formula, show work. Will mark brainiest

Mathematics
2 answers:
Archy [21]3 years ago
3 0
F(x)=2+10+-12 using the
VikaD [51]3 years ago
3 0
The answer is x = - 6 by 7
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I need help, and I’m also confused.
amid [387]
There are two triangles, a big triangle and a small triangle that is inside the big triangle. Because the base of the triangles are parallel to each other( indicated by the arrow), and the small triangle is perfectly inside the bigger triangle, the sides of the triangles are proportional.

It is know that the base of the small triangle is 3.5, and the hypotenuse of the small triangle is 7cm. it is also known that the the hypotenuse of the big triangle is (7+8)=15 and the base of the big triangle is unknown.

Since the triangles are proportional,
to find the base of the big triangle

base(big)/hypotenuse(big)=base(small)/hypotenuse(small)

Plug in the numbers


x/15=3.5/7
x/15=1/2
x=15/2
x=7.5

The length of the base of the big triangle is 7.5cm
8 0
3 years ago
Which of the following represents the general term for the sequence 1, 3, 5, 7, 9, . . .? n
zalisa [80]

Answer:

Step-by-step explanation:

In the given sequence, the terms are increasing in arithmetic progression. The common difference, d between successive terms is 2

The formula for determining the nth term of an arithmetic sequence is expressed as

Tn = a + (n - 1)d

Where

a represents the first term of the sequence.

d represents the common difference.

n represents the number of terms in the sequence.

From the information given,

a = 1

d = 2

Therefore, the expression for the general term for the sequence is

Tn = 1 + 2(n - 1)

3 0
3 years ago
A community action committee is planning a block party. The party will be successful only if at least 70 adults and children att
Sergeeva-Olga [200]

Answer:

A. a + c ≥ 70; 15a + 4c ≤ 1000

Step-by-step explanation:

<u>Given data:</u>

A community action committee is planning a block party

The party will be successful if at least 70 adults (a) and children (c) attend

Their budget for the party is $1,000

The cost for each adult will be $15

And the cost for each child will be $4

<u>Solution:</u>

<u />

At least 70 adults and children attend.

So the inequality here is a + c ≥ 70

The budget for the party is $1,000.

So the cost for all adults plus the cost for all children cannot exceed $1,000

And hence the inequality here is; 15a + 4c ≤ 1,000

3 0
3 years ago
Read 2 more answers
3.2x + 7.9 + 8.2 + 6.7x<br> Simplify the expressions. (not equations!) <br> Please help ASAP.
Temka [501]

Answer:

9.9x + 16.1

Step-by-step explanation:

SImplify using like terms

Simplify:

  • 3.2x + 7.9 + 8.2 + 6.7x
  • 3.2x + 6.7x + 7.9 + 8.2
  • 9.9x + 16.1

-Chetan K

4 0
2 years ago
What is the inverse operation of subtract 18? A. subtract 18 B. multiply by 18 C. add 18 D. divide by 18​
Anestetic [448]
Answer is A. Subtract 18
4 0
2 years ago
Read 2 more answers
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