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olga55 [171]
3 years ago
8

Which of the following is an x-intercept of the function, f(x) = x3 – x2 - 8x +12?

Mathematics
2 answers:
zubka84 [21]3 years ago
8 0
C is the answer of your question
natka813 [3]3 years ago
5 0
C
No explanation needed
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Find a ⋅ b. a = 9i + 5j, b = 4i + 3j
amm1812
ANSWER

a.b = 51


EXPLANATION


The given vectors are:


a = 9i + 5j
and

b = 4i + 3j


To find the dot product of the two vectors, we multiply the corresponding components and add them.


a.b = 9 \times 4 + 5 \times 3


This implies that,

a.b = 36+ 15


a.b = 51


Therefore the dot product of the two vectors is 51.


7 0
3 years ago
Read 2 more answers
Seth traveled 1 mile in 57.1 seconds. About how fast does Seth travel in mph?
Sauron [17]
<span>Considering that Seth travels with constant speed <span><span>v=<span>dt</span></span><span>v=<span>dt</span></span></span>, then <span><span>v=<span>157.1</span>=<span>x3600</span></span><span>v=<span>157.1</span>=<span>x3600</span></span></span> where <span>xx</span> is the distance traveled in 1 hour. So his velocity would be x miles/hour. By computing <span><span>x=<span><span>3600⋅1</span>57.1</span>=63.047</span><span>x=<span><span>3600⋅1</span>57.1</span>=63.047</span></span>, thus Seth travels at a speed of <span><span>63.047miles/hour</span><span>63.047miles/hour</span></span></span>
6 0
2 years ago
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A food truck is selling 2 burritos for $5.
Naddika [18.5K]

Given that,

A food truck is selling 2 burritos for $5.

Solution,

We need to find the relationship between burritos and dollars.

2 burritos = $5

To find the value of 1 burrito. Divide 5 by 2 as follows :

1\ \text{burrito}=$\dfrac{5}{2}\\\\1\ \text{burrito}=$2.5

Hence, the relation between burritos and dollars is " 1\ \text{burrito}=$2.5"

7 0
3 years ago
3 \frac{1}{4}[/tex] = <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D" id="TexFormula1" title="\frac{1}{2}" alt="\frac{1
adelina 88 [10]

Answer:

Look below

Step-by-step explanation:

Conversion a mixed number 3 1/

4

to a improper fraction: 3 1/4 = 3 1/

4

= 3 · 4 + 1/

4

= 12 + 1/

4

= 13/

4

To find new numerator:

a) Multiply the whole number 3 by the denominator 4. Whole number 3 equally 3 * 4/

4

= 12/

4

b) Add the answer from previous step 12 to the numerator 1. New numerator is 12 + 1 = 13

c) Write a previous answer (new numerator 13) over the denominator 4.

Three and one quarter is thirteen quarters

Conversion a mixed number 2 1/

3

to a improper fraction: 2 1/3 = 2 1/

3

= 2 · 3 + 1/

3

= 6 + 1/

3

= 7/

3

To find new numerator:

a) Multiply the whole number 2 by the denominator 3. Whole number 2 equally 2 * 3/

3

= 6/

3

b) Add the answer from previous step 6 to the numerator 1. New numerator is 6 + 1 = 7

c) Write a previous answer (new numerator 7) over the denominator 3.

Two and one third is seven thirds

Add: 13/

4

+ 7/

3

= 13 · 3/

4 · 3

+ 7 · 4/

3 · 4

= 39/

12

+ 28/

12

= 39 + 28/

12

= 67/

12

For adding, subtracting, and comparing fractions, it is suitable to adjust both fractions to a common (equal, identical) denominator. The common denominator you can calculate as the least common multiple of both denominators - LCM(4, 3) = 12. In practice, it is enough to find the common denominator (not necessarily the lowest) by multiplying the denominators: 4 × 3 = 12. In the next intermediate step, the fraction result cannot be further simplified by canceling.

In words - thirteen quarters plus seven thirds = sixty-seven twelfths.

3 0
2 years ago
Joe is building a fort for his little brother out of boxes. He is wondering how much room there will be inside the fort.
ser-zykov [4K]

Answer:

Depends on how wide and tall it is

Step-by-step explanation:

5 0
1 year ago
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