Half the product of two numbers x and y minus five times a third number z

Answers

Answer 1

Answer:

(1/2)x =y-5+3z

Step-by-step explanation:

Answer 2

The expression for Half the product of two numbers x and y minus five times a third number z, [tex]\frac{xy}{2} - 5z[/tex]

What are expressions?

An expression is a sentence with at least two numbers or variables having mathematical operation. Maths operations can be addition, subtraction, multiplication, division.

For example, 2x+3

Given that,

A statement, Half the product of two numbers x and y minus five times a third number z

The expression for the given statement = ?

First line- Half the product of two numbers x and y

⇒ [tex]\frac{xy}{2}[/tex]

Second line- five times a third number z

⇒ 5z

Third operation-

Minus both the expressions

⇒ [tex]\frac{xy}{2} - 5z[/tex]

Hence, the expression is [tex]\frac{xy}{2} - 5z[/tex]

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Related Questions

What percent of Rs 80 is Rs 20

Answers

Answer:

Your answer is 25%

Step-by-step explanation:

Hope this helps you

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Lines AB and CD (if shown) are straight lines. Find x. Give reasons to justify your solutions.

Answers

Answer:

Step-by-step explanation:

The value of x is 15.

What is linear pair?

Linear pairs of angles are created when two lines cross at a single point. Angles are said to as linear if they are contiguous to one another following the junction of two lines. If two angles are adjacent and their measurements add up to 180°, they are supplementary. As a result, a pair of linear angles always sums to 180°.

In a linear pair, the total of the two angles is always 180 degrees.Angles that are next to one another are called linear pairs, however not all adjacent angles are linear pairs.A common vertex and common arm are shared by a pair of linear angles.

Given:

<1 = 5x-15

<2 = 90

<3 = 2x

Now, using Linear pair

5x - 15 + 90 + 2x= 180

7x + 75 = 180

7x = 180-75

7x= 105

x= 105/7

x= 15

Hence, the value of x is 15.

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What is the slope of the line on the graph?

Please help asap

Answers

the slope would be 2/4

Regina has a bag of marbles that contains 3 blue marbles, 4 red marbles, and 5 yellow marbles. She draws one marble, then replaces it, and draws one more.

There are
possible outcomes.

The probability the first drawn marble will be blue is
.

The probability the second marble drawn will be yellow is
.

So, P(blue, then yellow) =
.

Answers

Answer: 12, 1/4, 5/12, 5/48

Step-by-step explanation:

i got it right

Answer:

12,

1/4,

5x-20=10

5x=30

x=6

Answer:

x=6

Step-by-step explanation:

3n - 7m for n = 5 amd m = 4

Answers

Answer:

-13

Step-by-step explanation:

first you will subsitute 5 for n in the equation to get 3(5)-7m

next you will subsitute 4 for m in the equation to get 3(5)-7(4)

then solve: 3x5= 15

7x4= 28

15-28= -13

-13
3x5=15
7x4=28
15-28= -13

L-M-- A-O I LOOK AWAY FOR ONE SE. COND AND MY TEACHER HAS GCF AND A BUNCH OF NUMBERS WRITEN DOWN T---F IS GCFFFF

Answers

Answer:

She was probably lagging

Step-by-step explanation:

but this happens to me all the time so I feel your pain

2×2×2====8

Then 256÷8=32 or 32/1

2k + 5 — 7k = 8 + 3

I need someone to help me out with this one please.

Answers

2k + 5 - 7k = 8+3
-5k + 5 = 11
-5k = 6
k= -6/5

Answer:

-1.2

Step-by-step explanation:

2k+5-7k=8+3

2k-7k+5=11

-5k=11-5

-5k=6

-5k/5=6/5

k=-1.2

graph a line with a slope of -5 that contains the point (-3, -4)

Answers

Answer:

y = -5x-19

Step-by-step explanation:

Use the point-slope formula to plug in the x1 and y1 and the slope -5 to get the equation y = -5x-19.

Formula: y-y1 = m(x-x1)

m = slope

x1 = x-value

y1 = y-value

Answer:

y=-5x-15

Step-by-step explanation:

starts off in point-slope form:

y+4=-5(x+3)

distribute the 5:

y+4=-5x-15

subtract 4 from each side:

y=-5x-20

^that answer is in slope intercept form.

What is the intermediate step in the form (x+a)2 = b as a result of completing the square for the following x^2+16x-145=10x-7

Answers

Answer:

(x+3)^2=147

Step-by-step explanation:

Anybody wanna help?ASAP?

Answers

Answer:

x=113º

Step-by-step explanation:

67 + x is a linear pair

they would be supplementary if they were next to each other

the 67º represents the acute angle directly next to xº

x+67= 180º

subtract 67º from both sides

180-67=113

x=113º

Find three consecutive EVEN integers such that the sum of the smallest number and twice the middle number is 20 more than the largest number.

Answers

Answer:

10, 12 and 14

Step-by-step explanation:

x - an integer

2x - an even integer (the first and the smaller of the three)

Consecutive integers increase always by 2

2x+2 - next even integer consecutive to 2x (the middle one)

2x+2+2=2x+4 - the last consecutive even integer (the largest)

2•(2x+2) - twice the middle number

2x+2•(2x+2) - the sum of the smallest number and twice the middle one

2x+4+20 - 20 more than the largest number

2x+2•(2x+2) = 2x+4+20

2x + 4x + 4 = 2x + 24

-2x -2x

4x + 4 = 24

÷2 ÷2

2x + 2 = 12 ← the middle number

-2 -2

2x = 10 ← the smallest number

2x+4 = 10 + 4 = 14

Check: 10+2•12=34; 14+20=34

Derek wants to determine the height of the top of the backboard on the basketball goal at the playground. He places a standard 12-inch ruler next to the goal post and measures the shadow of the ruler and the backboard. If the ruler has a shadow of 10 inches and the backboard has a shadow of 7 feet, then how high is the top of the backboard?
A.
9.41 feet
B.
8.4 feet
C.
9.66 feet
D.
6.63 feet

Answers

7 ft = 7 x 12 = 84 inches

If 12 inches ruler gives a shadow of 10 inches
Then 84 inch shadow of backboard is actually ;

12 : 10 x = 100.8 inches which is =
x : 84. 8.4 ft
So answer is B

I need a tutor to help me

Answers

Answer:

I wish I was smart to help ya out but I'm not but if you need help there is a tutor that can help you out.

write the integers that are closest to the the number in the middle to complete the statement.

___<square root of 73<___

Answers

Answer:

see explanation

Step-by-step explanation:

Consider perfect squares on either side of 73, that is

64 < 73 < 81 , then

[tex]\sqrt{64}[/tex] < [tex]\sqrt{73}[/tex] < [tex]\sqrt{81}[/tex] , that is

8 < [tex]\sqrt{73}[/tex] < 9

Answer:

8<square root of 73<1

i think this are the integers that are closest to the number in the middle.

What is the unit price for an 8 ounce package costing 1.59

Answers

image ?....?.?.?..?.?..?.?.?.?..?.?...?.?.?.?..??...?.?.??..?.?.? Smh simpsimpjdjs

I will give brainliest

Answers

Answer:

Answer:

Hi i just saw your question about giving away bloxburg money . I was asking for help with money and looking up bloxburg while waiting. Within 5 minutes SNOG deleted not 1 but 2 questions there were nothing wrong with them either. Please can you help me by donating so I can give my sister and I a good bloxburg house?

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A passenger train can travel, on average, 20 miles per hour faster than a freight train.
If the passenger train covers 390 miles in the same time it takes the freight train to cover 270 miles, then how fast is each train?

Answers

Answer:

The speed of the passenger train is 65 miles per hour and the speed of the freight train is 45 miles per hour.

Step-by-step explanation:

Are the expressions: 3n - 1n + 7 and 2n + 10 - 3, for n=5

Answers

Answer:

17 Which means they are equal

All you have to do is replace n in the equasion.

Step-by-step explanation:

3(5) - 1(5) + 7

=17

2(5) + 10 - 3

=17

About 2 in every 400 people have an extra rib. If there are 580 people in Antoine’s middle school, predict how many people have an extra rib

Answers

Answer:

2.9 people in her school have an extra rib.

Step-by-step explanation:

580/400= 1.45

1.45 x 2 = 2.9

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