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valentinak56 [21]

3 years ago

7

I need to find out x Q = 2x + 3 = 7

1 answer:

AlekseyPX3 years ago

3 0

After subtracting 3 from 7, and dividing 4 by 2, you should end up with x=2.

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The inside edges of the bend are extended by using a straightedge and marking with a pencil. The point at which the lines inters

oee [108]

Answer:

Center of the Bend ( A )

Step-by-step explanation:

when the inside edge of a bend is extended using a straightedge and also been marked with a pencil the intersecting point of the lines making up the bend is most likely to occur at the center of the bend this is because the center of the bend is the Origin of the formation of the bend.

8 0

3 years ago

What is 2 thirds of 24

evablogger [386]

2/3 of 24 is:
24 divided by 3= 8
8+8=16
answer is 16

3 0

3 years ago

7th Grade Math<br> Please help<br> -7 = 1/3 a<br> Find the value of a

julsineya [31]

Answer:

$\huge\boxed{a=-21}$

Step-by-step explanation:

$-7=\dfrac{1}{3}a\to\dfrac{1}{3}a=-7\qquad|\text{multiply both sides by 3}\\\\3\!\!\!\!\diagup\cdot\dfrac{1}{3\!\!\!\!\diagup}a=(-7)(3)\\\\a=-21$

4 0

3 years ago

Find the value of x - if x^3-7x² - x = 0<br>a) 17 (b) 71 c) 7<br>d) 1

S_A_V [24]

Answer:

x = 0

Step-by-step explanation:

$x^3-7x^2-x =0\\$

Take out common factor

$x(x^2-7x-1) = 0$

The factor inside the parenthesis cannot be factored

Since there is a common factor that we pulled out of the original equation,

set that x equal to zero and solve

$x = 0\\$ : Therefore x = 0

6 0

3 years ago

Victoria recently switched to a new electric company. If she uses between 0 and 400 kilowatt-hours (kWh) of electricity per mont

Gekata [30.6K]

Answer:

see the explanation

Step-by-step explanation:

<em><u>The question is </u></em>

Identify the domain and the range, using words and inequalities

Let

x -----> the number of kilowatt-hours (kWh) of electricity per month

y ----> the price per month

we know that

Part 1) For the value of x between 0 kWh and 400 kWh

$0\ kWh \leq x < 400\ kWh$

The price is equal to

$y=\$30$

therefore

The domain is the interval ------> [0,400)

The domain is all real numbers greater than or equal to 0 kWh and less than 400 kWh

The range is ($30)

The range is equal to $30

Part 2) For the value of x equal to 400 kWh or more per month

$x\geq 400\ kWh$

The domain is the interval -----> [400, infinite)

The domain is all real numbers greater than or equal to 400 kWh

The price is

$y=0.097x$

<em>Find the range</em>

For x=400 kWh

$y=0.097(400)=\$38.8$

so

$y\geq \$38.8$

The range is the interval -----> [38.8, infinite)

7 0

3 years ago