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Nat2105 [25]
3 years ago
15

-3x 2 + 5x - 7 = 0 is not in general form. True False

Mathematics
1 answer:
Anastasy [175]3 years ago
7 0

Answer:

true

Step-by-step explanation:

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Write an absolute value inequality that
fiasKO [112]

Answer:

All real numbers greater than or equal to -1 and less than or equal to 2

Step-by-step explanation:

Let

A_1 ------> the area of rectangle

A_2 ----> the area of triangle

we know that

\left|A_1-A_2\right|\le 6

<em>Find out the area of rectangle</em>

A_1=4(x+2)=(4x+8)\ units^2

<em>Find out the area of triangle</em>

A_2=(1/2)(4)(5)=10\ units^2

substitute

\left|(4x+8)-10\right|\le 6

Simplify

\left|4x-2\right|\le 6

<em>First case (positive value)</em>

+(4x-2) \leq 6

4x \leq 6+2

4x \leq 8

x \leq 2

<em>Second case (negative value)</em>

-(4x-2) \leq 6

Multiply by -1 both sides

(4x-2) \geq -6

(4x \geq -6+2

4x \geq -4

x \geq -1

therefore

The solution for x is the interval -----> [-1,2]

All real numbers greater than or equal to -1 and less than or equal to 2

8 0
3 years ago
Current government spending to fund public schools is about 6×1011 dollars per year. The average cost nationally for a student t
NeX [460]

60000000 students can attend public schools with the current funding

<em><u>Solution:</u></em>

Given that Current government spending to fund public schools is about 6 \times 10^{11} dollars per year

The average cost nationally for a student to attend a public school for a year is about $10,000

To find: number of students can attend public schools with the current funding

\text{ current funding } = 6 \times 10^{11} \text{ dollars}

\text{ average cost for 1 student } = 10000 \text{ dollars }

Therefore,

\text{ number of students } = \frac{\text{ current funding }}{\text{ average cost of 1 student}}

Substituting the values we get,

\text{ number of students } = \frac{6 \times 10^{11}}{10000}\\\\\rightarrow \frac{6 \times 10^{11}}{10000} = \frac{6 \times 10^{11}}{10^4}\\\\\rightarrow \frac{6 \times 10^{11}}{10^4} = 6 \times 10^{11-4} = 6 \times 10^7\\\\\rightarrow 6 \times 10^7 = 60000000

Thus 60000000 students can attend public schools with the current funding

6 0
3 years ago
0.2 divided 2.48 please help me I have so much homework
Pavlova-9 [17]

Answer:

the answer is 12.4

Step-by-step explanation:

2.48 is the number being divided and 0.2 is the number you are dividing by

7 0
3 years ago
Read 2 more answers
At the fair, you spend $6 for food, then use the rest of your $20 to buy ride tickets. You have
Shkiper50 [21]
C. Divide 20 and 56, you’ll get 0.35
8 0
3 years ago
Write the equation of a line that has a slope of -5 and passes through the point (-2, 3)
Katena32 [7]

Answer:

y=-5x-7

Step-by-step explanation:

hope that helps!

3 0
2 years ago
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