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nlexa [21]
3 years ago
13

Given f(x) = x^2+4, does there exist an x-intercept between [-2, 3]. Why or why not. Be sure to include in your discussion the I

ntermediate Value Theorem
Mathematics
1 answer:
Anna35 [415]3 years ago
7 0
The x-intercepts are the values of x for which f(x) = 0.
x^2 + 4 = 0
x^2 = -4
x= ±√(-4), which are not real numbers. f(x) does not have an x-intercept.
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Christian reads 14 book every 23 week. How many books does Christian read per week? ​ 16 ​ ​ 38 ​ ​ 223 ​ 6
Drupady [299]

。☆✼★ ━━━━━━━━━━━━━━  ☾

Divide by 2 to get 1/3 of the week:

1/4 / 2 = 1/8

Multiply by 3 to get the full week:

1/8 x 3 = 3/8

Thus your answer is B. 3/8

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8 0
3 years ago
3. A boy mixed 500g of sugar and 120g of salt in 106g of lime juice. What will be the
Fed [463]

Answer:

Option C...726 g

Step-by-step explanation:

Mass of;

sugar = 500g

salt = 120g

lime juice = 106g

mass of mixture = sum of its components

= 500g + 120g + 106g

=726 g

6 0
3 years ago
the table shows miles driven by a car and the gallons of gas used to drive those miles. how many miles did the car travel on a g
yawa3891 [41]

Answer:

May we see the graph?

Step-by-step explanation:

6 0
3 years ago
A 12-foot flagpole casts a nine-foot shadow. What is the measure from the top of the shadow to the top of the flag pole?
amm1812

Here is the answer OwO:

A 12-foot flagpole casts a nine-foot shadow. The measure from the top of the shadow to the top of the flag pole is 15.

Here is the explanation/work OwO:

<u><em>Switch sides.</em></u>

c^2=12^2+9^2

<u><em>12^2=144</em></u>

c^2=144+9^2

<u><em>9^2=81</em></u>

c^2=144+81

<u><em>Add the numbers: 144 + 81 = 225</em></u>

c^2=225

<u><em>For x^2 = f(a) the solution is √f(a)</em></u>

c = 15

Therefore, your answer will be 15.

_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-

Sorry if I am late. Hope this helps!! ^^

5 0
3 years ago
Read 2 more answers
Suppose there are 8 boys and 7 girls in a classroom. If one student is chosen at random to run a errand. What is the probability
LUCKY_DIMON [66]

Answer:

47%

Step-by-step explanation:

There are 15 total students, so find the percentage of girls out of the total students: 7/15= .466, which is about 47%. To double check, you can do the boys and make sure it adds to 100%. 8/15= .533, which is about 53%. 47+53=100. So girls are 47% and boys are 53%

4 0
2 years ago
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