Mathematics Middle School

Suppose a>0 and b<0. Identify the location of the point (-b,-a).

Answers

Answer 1

Answer: C

Step-by-step explanation:

Related Questions

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Answer:

use formula

area = 1/2 *Height *(side 1 + side 2)

Answer:

use the equation of area of parallelogram = height ×base

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No the mixtures are not the same shade of purple. The reason is because when both mixtures use 21 cups of red paints the original recipe uses 14 cups of blue paint, while the new mixtures uses 15 cups if blue paint, Therefore the New Mixture would be more blue than the Original mixture

Answer:

they are different because the original paint goes 123456 and the new pait goes 246810.

Step-by-step explanation:

hope this helps!

A bicyclist goes 43.54 miles in 3.5 hours. What is her speed??
PLEASE EXPLAIN WHY!!!!!

Answers

So your answer would be 12.44 because to find speed you need to take her overall miles she traveled and divide it by 3.5 which was how long it took her and that would give you her speed. HOPE THAT HELP!
Divide 43.54 by 3.5
She was going 12.33 miles an hour

A fruit basket contains only apples and bananas. If there are 8 apples and 13 bananas, what is the ratio of bananas to fruit? Select all that apply. 13:8

Answers

Answer:

The ratio of bananas to total fruit is 13:21

Step-by-step explanation:

Since we already know the amount of apples and pears, we can find the total. 13+8=21, and since we know the number of pears, 13, we can say that the ratio is 13:21.

Answer: 13:21

13:21 is the correct answer I hope it helps

base= 1.5 area=2 but what does height equal

Answers

I think the answer is 3

Answer:

i think its 1.33 repeating

Step-by-step explanation:

It took 48 minutes to drive downtown. An app estimated it would be less than that. If the error was 20%, what was the app’s estimate? Give detailed steps and explanation.

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Pretty sure that the answer is 57 minutes and 10 seconds.

Answer:

38.4 minutes

Hope this helps!!!

pls help me i dont understand it.....................

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Brainliest pls






To the person above me :)

Simplify (6^-8)^4 Please help

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Answer:

6⁻³²  (or 1/6³²)

Step-by-step explanation:

(6⁻⁸) ⁴

= 6 ⁽⁻⁸⁾⁽⁴⁾

= 6⁻³²  ( or in fraction form 1/6³²)

Answer:

[tex]\frac{1}{6^{32} }[/tex]

Step-by-step explanation:

If I read the question rights its = [tex](6^{-8} )(^{4})[/tex]

(03.04 MC) EXPLAIN!!!
Solve for x:
(-3/2)x - 9 = -27

Select one:
a. −24
b. −12
c. 11
d. 12

Answers

This is what the equation looks like: [tex]\frac{-3}{2}x - 9 = -27[/tex]

First, we transpose the terms to the other side. So after transposing [tex]-9[/tex], you get: [tex]\frac{-3}{2}x = -27 + 9[/tex]

Add them and you get: [tex]\frac{-3}{2}x = -18[/tex]

Next we transpose the coefficient of [tex]x[/tex] which is [tex]\frac{-3}{2}[/tex] to the other side, and while doing so the operation changes to a division. When dividing rational numbers, you take the reciprocal so you get: [tex]x = -18 * \frac{-2}{3}[/tex]

Multiply them and you get: [tex]x = 12[/tex]

Therefore, Option D is the correct answer :D

Mei has 60 milliliters of a solution that is​ 35% nitric acid. How many milliliters of nitric acid does the solution​ contain?
(answer this and show your work please)
The solution contains _answer here_ milliliters of nitric acid.

Answers

Answer:

21ml

Step-by-step explanation:

60ml. 35% acid. What is 35% of 60 ml?

÷10 to find 10%

60÷10=6

6=10%

But this is no use

because you cannot multiply 10%to get 35%

(35% is not a multiple of 10)

So we try...

10%÷2=5%

So ÷2 to find 5%

6÷2=3

So 3=5%

5%x7=35%

So, we do

3x7=21

So 35%=21

Answer:

21ml

Step-by-step explanation:

Which situation represents a proportional relationship?

a
The cost of purchasing a basket of oranges for $1.30 per pound plus $5.00 for the basket.
b
The cost of purchasing grapefruit for $1.80 per pound with a coupon for $1.00 off the total cost.
c
The cost of purchasing apples for $1.75 per pound plus a shipping fee of $0.16 per pound.
d
The cost of purchasing peaches for $7.00 per box of peaches with a delivery charge of $3.00.

Answers

I’m pretty sure it is C? But I’m not 100% sure
I think its either c or d im not sure though but it might be c

The perimeter of the original rectangle on the left is 30 meters. The perimeter of the reduced rectangle on the right is 24 meters. What is x, the width of the original rectangle on the left? Round to the nearest hundredth if necessary.

A) 5 meters
B) 8 meters
C) 10 meters
D) 12 meters

Answers

X=5



Explanation:


If the triangle on the rights perimeter is 24 and two of the lengths are 8 then we know 8+8=16 24-16=8 8/2=4
So the triangle on the right has the numbers 8 and 4 as it’s length and width

So then you would find out how much it was dilated to get from 30 to 24
30/24 and you get 1.25 so you multiply 4 by 1.25 and get 5, and then to double check you can multiply 8 by 1.25 and get 10 then add it all together
5+5+10+10=30 so you know that’s correct.

what does tempature measure

Answers

Answer:

Temperature is a measure of the average kinetic energy of the particles in an object.

Step-by-step explanation:

which means its b

Slope-intercept form
find out the y intercept and slope

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Answer:

18. Slope (m) = 1/2

Y-intercept (b) = -6

19. Slope (m) = 2

Y-intercep (b) = 8

20. y = 1/2 + 6

Step-by-step explanation:

y = mx + b

y - 2x = 8

y = 2x + 8

18.slope (m) = 1/2
Y - intercept

(MARKING) How many solutions does this equasion have? -4 - 10n = 8h + 10
ANSWER CHOICES
1. No solutions
2. One solution
3. Infinite solutions
Please answer soon will mark!

Answers

Answer:

infiintie\

Step-by-step explanation:

Answer:

3rd choice is your answer

Step-by-step explanation:

The ratio of the number of girls to the number of boys in choir is 4 to 5. There are 32 girls in the choir. How many boys are in the choir?

Answers

Answer:

what grade is this

Step-by-step explanation:

8. 32/4 is 8. 1/5 is boys, so no need to multiply. (answer is 8)

A rectangular poster has an area of 504 square centimeters. The width of the poster is 14 centimeters. How long is the poster?

Answers

Answer:

36 sq. cm.

Step-by-step explanation:

We find area by multiplying the length by the width of the poster. But now, in your question we want to find the length of the poster. We are given the area, 504 square centimeters, and the width, 14 centimeters. Since multiplication and division are inverse operations, we will do the opposite of multiplication, division, to find the quotient, the length of the poster. 504 divided by 14 can be written like this: 504 / 14. 504 / 14 = 36 sq. cm. We can check our answer by multiplying 36 and 14 to get 504. So, we know our answer is correct.

Answer:

i think it is 514

Step-by-step explanation:

Could someone please find the rate and y-intercept for these two points? (2,2) and (3,4) the help would be greatly appreciated!!

Answers

First use a formula to find rate of change
so a formula most commonly used is (y^1-y^2)/(x^1-x^2)

m= (y^1-y^2)/(x^1-x^2)
=m=(4-2)/(3-2)
=m=2/1
2/1 can also be expressed as just 2 since anything divided by 1 is just itself

Now use the formula y=mx+b to find the y intercept

use either of your two given point to susitute y and x

y=mx+b
Substitute your values
=(4)=(2)(3)+b
Calculate
=4=6+b
Subtract both sides by 6
=-2=b

Therefore the rate of change is 2/1 and the y-intercept is -2

please help I hate imagine math its in the photo ​

Answers

I wish I can help you
I’m so sorry but I have no idea

Which of the following equations is equivalent to 3(a + 4) – 5(a – 2) = 22?
-2a + 2 = 22
8a + 2 = 22
8a + 22 = 22
-2a + 22 = 22

Answers

-2a+2=22

3(a+4)-5(a-2)=22
3a+12-5a-10=22
-2a+12-10=22
-2a+2=22

Every person has a unique tongue print like finger prints

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Answer:

is this a question? but yes that is most likely true.

Step-by-step explanation:

explanation? uh my brain? :'>

PLS HELP NEEDED TODAY

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A: 4 percent - 4% + 98 = 101.92

B:

Way One: 110 times 0.10 is 11. 110 - 11 = 99
Way Two: 110 times 0.90 is 99

C: yes, it would make sense to switch to company B because they have a lower price after discount.

When two factors have opposite signs, is the product negative or positive??

Answers

Answer:

Negative

Step-by-step explanation:

If two signs differ the answer will always be negative. but if they are the same then the answer would be positive. Hope this helped!

Answer:

Negative

Hope this helped :)

please help! i’m having a rough time on this, could someone answer this question?

Answers

Answer:

y= -18

a= -18

Step-by-step explanation:

2y+3 = 3(y+7)

2y+3=3y+21

     -21     -21

2y-18=3y

-2y      -2y

-18=y

What is the Law of Exponents?

Answers

Answer:

The exponent of a number says how many times to use the number in a multiplication.

Example:

[tex]8^{2}[/tex] = 8 × 8 = 64

Algebra Need Help Pls. Can someone explain to me how to do this?

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Answer:

y=-3x

Step-by-step explanation:

Mark me as brainliest

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Answer:the answer is D

Step-by-step explanation:

The answer is D
Your welcome

Look at the picture.

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Answer:

boi

Step-by-step explanation:

Answer:THE ANSWER IS 3x10^30

Step-by-step explanation:

Is the table above proportional or non-proportional?

Answers

Answer: I think you should divide them all and if you get the same answer it’s proportional if you don’t get the same answer it’s non-proportional

Step-by-step explanation:

Answer:

It is non-proportional.

Step-by-step explanation:

The table is non-proportional because it expresses a curved line instead of a straight line.

What is the multiplicative rate of change of the function?

1/3
2/3
2
9

Answers

Answer:

it is 2/3.

Step-by-step explanation:

please mark as brainliest .

2/3

As x increases by 1
Y decreases by a rate of 2/3.
6x2/3=4
4x2/3=8/3
And so on
To find 2/3, all you need to do is find how y is changing.
First of all, we know that y is decreasing as x increases so the rate is less than 1.
Take y2/y1 to get m or the rate
Ex. 4/6=2/3 which is less than 1!

Hope this helps!!
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