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3 years ago

13

Which pair of expressions has equivalent values?

1 answer:

kiruha [24]3 years ago

6 0

Answer:

1^13=1^15

Step-by-step explanation:

1 times 1 is always 1

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Please help, I’m very confused

snow_tiger [21]

Answer:

1st picture: (0,4)

The lines intersect at point (0,4).

2nd picture: Graph D

2x ≥ y - 1

2x - 5y ≤ 10

Set these inequalities up in standard form.

y ≤ 2x + 1

-5y ≤ 10 - 2x → y ≥ -2 + 2/5x → y ≥ 2/5x - 2

When you divide by a negative number, you switch the inequality sign.

Now you have:

y ≤ 2x + 1

y ≥ 2/5x - 2

Looking at the graphs, you first want to find the lines that intersect the y-axis at (0, 1) and (0, -2).

In this case, it is all of them.

Next, you would look at the shaded regions.

The first inequality says the values are less than or equal to. So you look for a shaded region below a line. The second inequality says the values are greater than or equal to. So you look for a shaded region above a line.

That would mean Graph B or D.

Then you look at the specific lines. You can see that the lower line is y ≥ 2/5x - 2. You need a shaded region above this line. You can see the above line is y ≤ 2x + 1. You need a shaded region below this line. That is Graph D.

8 0

3 years ago

Read 2 more answers

What is the equation of a line, in Slope Intercept Form, with a slope of 4 and passes through the point (1, 6)?

Butoxors [25]

The slope-intercept form:

$y=mx+b$

m - slope

b - y-intercept

We have the slope m = 4 → $y=4x+b$

and point (1, 6). Substitute:

$6=4(1)+b$

$6=4+b$ <em>subtract 4 from both sides</em>

$2=b\to b=2$

<h3>Answer: y = 4x + 2</h3>

5 0

3 years ago

PLEASE HELP ASAP AND EXPLAIN HOW TO SOLVE WILL GIVE 20 POINTS PLUS BRAINLIEST PLEASE HELP

makvit [3.9K]

Answer:

"Real World" Math Drama. ...

Step #1: Stop and Think Before Doing Anything. ...

Step #2: English-to-Equation Translation. ...

Step #3: Solve for Whatever You're Interested In. ...

Step #4: Make Sure You Understand the Result. ...

Step #5: Use Your Result to Solve Other Problems. ...

Wrap Up.

Step-by-step explanation:

4 0

3 years ago

In a circle, a 90-degree sector has area 196 pi in^2. What is the radius of the circle?

o-na [289]

Answer:

The radius of the circle is $28\ in$

Step-by-step explanation:

we know that

In a circle, a 90-degree sector represents a quarter of the circle area.

The area of a quarter circle is equal to

$A=\frac{1}{4}\pi r^{2}$

we have

$A=196\pi\ in^{2}$ ----> area of a quarter circle

so

$196\pi=\frac{1}{4}\pi r^{2}$

Simplify

$r^{2}=196*4$

$r=28\ in$

5 0

3 years ago

Juanita and Keenan own a camping supply store and just put in an order for flashlights and sleeping bags. The number of flashlig

julsineya [31]

Juanita and Keenan ordered 85 flashlights and 17 sleeping bags.

Step-by-step explanation:

Given,

Cost of each flashlight = $12

Cost of each sleeping bag = $45

Total cost = $1785

Let,

x represent the number of flashlights ordered

y represent the number of sleeping bags ordered

According to given statement;

12x+45y=1785 Eqn 1

x = 5y Eqn 2

Putting value of x from Eqn 2 in Eqn 1

$12(5y)+45y=1785\\60y+45y=1785\\105y=1785\\$

Dividing both sides by 105

$\frac{105y}{105}=\frac{1785}{105}\\y=17$

Putting y=17 in Eqn 1

$x=5(17)\\x=85$

Juanita and Keenan ordered 85 flashlights and 17 sleeping bags.

Keywords: linear equation, substitution method

Learn more about substitution method at:

#LearnwithBrainly

8 0

4 years ago