MATHEMATICS HIGH SCHOOL

I need to solve the equation and then graph the result
I need to solve the equation and then graph the - 1

Answers

Answer 1
Answer:

Answer:

p<-18

graph:

find -18, and draw an arrow going right

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An auto repair shop charged $75/h for labor plus an additional $89 for parts. If the shop worked for 2 h, which equation represents the total repair cost C ?A. C = 75(2) − 89
B. C = 89(2) + 75
C. C = 75 + 89
D. C = 75(2) + 89

Answers

Answer:

The total cost for the repair  is represented by C = 75 (2) + 89 .

Option (D) is correct .

Step-by-step explanation:

As given

An auto repair shop charged $75/h  for labor plus an additional $89 for parts.

If the shop worked for 2 h.

C = Represented the total repair cost .

Than the equation becomes

C = 75 × 2 + 89

C = 75 (2) + 89

Therefore the total cost for the repair  is represented by C = 75 (2) + 89 .

Option (D) is correct .
d. C= 75(2)+89 because you multiply the amount of hours by the cost per hour then add the cost of parts

Not sure what to do here? Naomi has 50 red beads and white beads. The number of red beads is 1 more than 6 times the number of white beads. How many red beads does Naomi have?

Answers


Naomi has 43 red beads. 7 white beads times 6 equals 42. 42 plus 1 equals 43. Sometimes you just need to guess and check using common sense. Otherwise an equation would be x+(6x+1)=50, which would be 7x+1+50. Then you simplify to 7x=49 and get x=7. Then multiply by 6 and add 1 to get 43

If Joel’s family starts with a full tank of gas, can they drive the car for 15 days without the warning light coming on?

Answers

Answer:

Yes they can drive for 15 days without the light

Step-by-step explanation:

If its 0.5 gass each day 0.5 gas ×15days that would be 7.5

Translate the sentence into an equation.
Seven times the sum of a number and 5 equals 2.

Answers

Answer: 7(x + 5) = 2

Step-by-step explanation:

Use the variable x to represent the number

7(x +5) = 2

Answer:

7(x+5)=2              x= -33/7

Step-by-step explanation:

A customer buys five cans of baked beans, four pocket of brown sugar and two pockets from the supermarket. He gives the cashier 150 and gets 26 in change, a can of baked beans costs half as much as pocket of biscuits whilst a packet of sugar is three rand cheaper than a packet of biscuits.1. how much did all items cost
2. calculate the cost of a can of baked beans, sugar, and biscuits
3. How much will eight cans of baked beans, one packet of sugar and six pockets of biscuits cost?

Answers

The question has 3 unknowns thus we need three equations to fully solve the problem.
We let x = the price of a can of baked beans, y = the price of a packet of sugar and z = the price of a packet of biscuit
From the given, we generate the following equations;
 <1> 5x+4y+2z = Amount spent = 150-26 = 124
 <2> z = 2x
 <3> y = z -3
We use equation 2 and 3 to substitute to equation 1 in order to obtain the value of x.
5x + 4 (2x - 3) + 2(2x) = 124
5x + 8x - 12 + 4x = 124
17x = 136
x = 8 (price of a can of baked beans)
y= (2 x 8) - 3 = 13 (price of a packet of sugar)
z= 2 x 8 = 16 (price of a pocket of biscuit)

For the new set of conditions,
8x + y + 6z = (8 x 8) + 13 +(6 x 16) = 173 (Cost for the new set of conditions)
let's make b the can of baked beans.

Then biscuits are twice its prize, 2b.

s, the packet of sugar is 2b-3 - thre rand cheaper than a packet of biscuits.

1) the custommer bought:
buys five cans of baked beans, four pocket of brown sugar and two pockets


5b+4* (2b-3)+2*2b

now we calculate:

5b+4* (2b-3)+2*2b=5b+8b-12+4b=13b-12+4b=17b-12

this is equal to 150-26=124

so 17b-12=124
17b=136
b=8
So the beans cost 8, biscuits cost 8*2=16, and sugar 16-3=13
2) this would be:
8+13+16=21+16=37
3)This would be:

8*8+13+6*16=64+13+96=173
 

Hakim recorded his finishing time, in seconds, for each time he ran the 100 m race during one track season.What was the median of his finishing times?

12.0, 12.4, 11.9, 12.1, 12.2, 12.4, 12.1, 12.3, 11.9

Answers

its 12.1. it is the middle number from largest to least value.
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