Can someone help me with this math equation? Can you explain how to work it out also?

−5x − 25 = 78

Step 1: −5x − 25 − 25 = 78 − 25        WRONG

- 5x - 25 = 78

- 5x - 25 + 25 = 78 + 25

- 5x                  = 103

x = - 103/5

x = - 20,6

Answer:

Step-by-step explanation:

−5x − 25 = 78

Step 1: −5x − 25 − 25 = 78 − 25  <== this is where the error was made.

Step 2: −5x = 53

Step 3: = −5x/−5=53/−5

Step 4: x = −53/5

Right steps:

−5x − 25 = 78

Step 1: −5x − 25 + 25 = 78 + 25

Step 2: −5x = 103

Step 3: −5x/−5 = 103/−5

Step 4: x = 103

Step 1 was where the error was, because she subtracted 15 from both sides instead of adding 15, so they cancelled out.

Hope this helps!

Answer:

N = 3 F = 26

Step-by-step explanation:

If there's 26 in total and Michael has folded 3 of them N would be 3. F will be the total after folding 'N' amount left of the clothes!

Answer:

128 ounces???

Step-by-step explanation:

Answer:

The decrease in the value of a share during 3.5 hours of trading is $3.85.

There are  8 apples and 10 oranges in a basket.  In this scenario, we can see that ratio of apples to oranges is 4:5.

The ratio can be defined as the number that can be used to represent one quantity as a percentage of another. Only when the two numbers in a ratio have the same unit can they be compared. Ratios are used to compare two objects.

A ratio is a fraction that may compare part to whole or part to part. For example, suppose in a class, the ratio of boys to girls is 4 to 5. It means that the number of boys divided by the number of girls is a fraction that, in its simplest form, equals 4 over 5.

Same as there are 8 apples and 10 oranges in a basket. this is also represented perfectly in terms of ratio.

Therefore, In a basket, there are 10 oranges and 8 apples. We can observe that the ratio of apples to oranges in this situation is 4:5.

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Answer:

a=8.8 kg

b=3.3 kg

c=2.49 kg

Step-by-step explanation:

Your answer is C

Step-by-step explanation:

Multiply -33 x 11

Answer:

Option C) Angle 6 and 7 only

Step-by-step explanation:

Two angles are called supplementary when their measures add up to 180 degrees.

So here the angle supplementary to Angle 5 would be 6, since adding both would get us 180 degrees. Then there's angle 7 which would also give us 180 degrees when added to angle 5.

Answer:

102

Step-by-step explanation:

mode is the number that appears the most often.

Answer:

102

Step-by-step explanation:

The mode means the number that repeats the most in a set of numbers.

102, 56, 77, 102, 81, 72, 55

The number that repeats 2 times is 102.

Answer:

44 in.

Step-by-step explanation:

pi = 3.14 (in our case)

circumference = diameter x pi

circ. = 14 x 3.14, which equals to 43.96

round that and you get 44 in.

Answer:

[14] 139

[15] 90

[16] 41

[17] 49

[18] 139

[19] 131

Step-by-step explanation:

[14] Since m ∠ CEB is vertical with m ∠ AED = 139

[15] Knowing that m ∠FBD = 90 degree then m ∠ CEF = 90 degree

[16] Since m ∠ DEB is vertical to m ∠ADC Thus answer = 41

Note: vertical angles are angles opposite each other where two lines cross.

[17] Since m ∠ FED = 90 degree and m ∠ DEB = 41 then 90 - 41 = 49

[18] To Find m ∠CEB we have to subtract from m ∠ DEB

180 - 41 = 139

[19] Knowing that m ∠ FED = 90 degree and m ∠DEB = 41

Then m ∠ AEF =  90 +41=131

~Lenvy~

Answer:

HHe is wearing the 8th pair

AnswerStep-by-step explanation:

Answer:

C

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

Because the cube of 4 is 64 and in cubing we could use either positive or negative numbers.

Answer:

The Answer is 42, in order to find the range of a data set you subtract the biggest number and the lowest number.

Step-by-step explanation:

In order to find the range of a data set you subtract the biggest number and the lowest number.

Answer:

I would say 98% chance

Step-by-step explanation:

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Answer:

green 5/15

red 6/15

white 1/15

yellow 3/15

the probability of selecting a non-white ball is 14/15

Step-by-step explanation:

Answer:

The answer is D

Step-by-step explanation:

Red-Regular

Red - Premium

Silver-regular

Silver-premium

Yellow-regular

Yellow-Premium.

This all shows the space of choosing the color and gift box for the gift.

Because of the description.

If this answer is right pls give brainlest.

Answer:

So Number 1 is 4

Number 2 is 2

(Not sure about 3)

Number 4 is 54

(Not sure about 5)

Number 6 is

Step-by-step explanation:

Number 1: He needs 5x3 to get 15 balloons, but since he need more than provided, he needs one more pack.

Number 2: He played 2 rounds, and each round got 4 points, 4x2=8.

Number 4: If she had 8x8=64, and subtracted 10, she has 54.

Number 6: So you should make the fractions improper fractions, (fractions that have a numerator thats more than the denominator) so 2 1/4 = 9/4 and 3 1/4 = 13/4 and then multiply 13 x 9= 117 and then 4x4= 16 so you have 117/16 and then when you simplify it you get: 7 5/16

Hope this helps and also for the other questions I think someone else can get those :)

Answer:

Write the absolute value equations in the form

x−b

=c (where b is a number and c can be either number or an expression) that have the following solution sets.

Chapter Reference

a

Two solutions: x=2, x=14.

Step-by-step explanation:

The absolute value equations in the form |x-b|=c is 6.

An equation is an expression that shows the relationship between two or more numbers and variables.

A mathematical equation is a statement with two equal sides and an equal sign in between. An equation is, for instance, 4 + 6 = 10. Both 4 + 6 and 10 can be seen on the left and right sides of the equal sign, respectively.

We are given that;

Two solutions are x=2 and x=14

Now,

To write an absolute value equation that has these solutions, we need to find a common value of b and c that satisfy the property above. One possible way to do this is to find the midpoint and the distance between the two solutions. The midpoint is the average of the two solutions, and the distance is half of their difference. The midpoint will be the value of b, and the distance will be the value of c.

Using this method, we get:

b = (2 + 14) / 2 = 8

c = (14 - 2) / 2 = 6

Therefore, by the given equation the answer will be 6

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Answer:

D. QY

Step-by-step explanation:

Perpendicular means at a 90 degree angle, and QY is at a 90 degree angle to LD

Answer:

32.43%

Step-by-step explanation:

Since there are a total of 37 tests and cherry was selected 12 times, the probability would be 12/37.

12(100/37)

32.43

The probability that it will be a cherry or watermelon is; P(Cherry or water melon) = (12 + 17)/37 = 0.51

We are told that Ryan performs the experiment a total of 37 times.

From the experiment he got;

Strawberry = 8 times

Cherry = 12 times

Watermelon = 17 times

Thus, probability that it will be a cherry or watermelon is;

P(Cherry or water melon) = (12 + 17)/37 = 0.51

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Answer:

2 Six graders: 6/55 chance

2 Seventh graders: 21/55 chance

Step-by-step explanation:

Total: 11 students

6 graders: 4

4/11 for first student and 3/10 for second

4/11 * 3/10 = 12/110 = 6/55

7 graders: 7

7/11 for first student and 6/10 for second

7/11 * 6/10 = 42/110 = 21/55

Answer:

She can make 41 bracelets!:D

Answer: сдхдкссахкайсефдуехф84

Step-by-step explanation:

Answer:

2B

3D

Step-by-step explanation:

2A is

a/b + -a/-b = a/b + a/b = 2a/b

this is NOT 0/0. you can't add numerator and denominator. when you have the same denominator, you can only add the numerator.

and don't forget : -×- and -/- are both + !

2B

you do not multiply anything. you ADD (but again NOT the denominators) !

and +×- or +/- = - !

overall this this adding a negative number to the same positive number. the result : always 0

2C

cannot be added like that. first you would have to bring both to a common denominator. but then you ADD !

2D

very similar to 2C.

3

5 + 7 = 12

5 - 6 = -2

these are the 2 integers 7 units away from 5.

Answer:

62 degrees

Step-by-step explanation:

if they are complementary that means the angles ad up to 90, and all you have to do is subtract 90-28=62 degrees

Answer:

152

Step-by-step explanation:

a complimentary angle are 2 angles that add up to 180. therefore, we can subtract 28 from 180 ang get 152

Answer:

2

Step-by-step explanation:

Answer: The answer is 13% interest rate.

Step-by-step explanation: first divide the interest money by the number of years (or months it doesn't matter) which would get you 5200 then you would divide 5200 by the amount of money deposited into the bank (40,000) which should give you 0.13 or 13%

26,000 / 5 = 5,200

5,200 / 40,000 = 0.13 = 13%

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