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3 years ago

Plot the integer -7 on the number line

Mathematics

1 answer:

Anika [276]3 years ago

6 0

Answer:

So what you would do is on a numberline subtract 7 units to the negative side and place your point there

Step-by-step explanation:

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shirley owns a diner. she decides to charge $1.50 for 2 egga and one piece of toast a $.90 for one egg and one piece of toast. w

charle [14.2K]

Answer:

1 toast costs $0.30 and 1 egg cost $0.60

Step-by-step explanation:

Let price of 1 egg be $e$ and price of 1 toast be $t$

<u>"$1.50 for 2 eggs and one piece of toast":</u>

We can write $2e+t=1.50$

<u>"$.90 for one egg and one piece of toast":</u>

We can write $e+t=0.90$

Now, we can solve the first equation for t and substitute that into 2nd equation and solve for e:

$t=1.50-2e\\Also\\e+t=0.90\\Substituting:\\e+(1.50-2e)=0.90\\e+1.50-2e=0.90\\-e=0.90-1.50\\-e=-0.6\\e=0.6$

Now using the value of e (0.6) and putting it back in the first equation, we will get t:

$2e+t=1.50\\2(0.6)+t=1.50\\1.2+t=1.50\\t=1.50-1.20\\t=0.30$

Hence, 1 toast costs $0.30 and 1 egg cost $0.60

8 0

3 years ago

Maya used a total of 2 1/6 gallons of gas while driving her car. Each hour she was driving, she used 7/8 gallons of gas. What wa

kvv77 [185]

Ans

2:47 mins

Step-by-step explanation:

2 1/6 ÷7/8 = 2 10/21

2 10/12 to decimal 2.47

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2 years ago

Renae likes to make pizza dough on the weekends. She has 6 1/4 cups of flour. She needs 5/8 of a cup for each pizza. How many pi

GREYUIT [131]

Answer:

She can make 10 pizzas.

Step-by-step explanation:

6 1/4=25/4

(25/4)/(5/8)=(25/4)(8/5)=200/20=10

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4 years ago

Can somebody help me with this plz......

adelina 88 [10]

Answer:

He must score 83 in the last test.

Step-by-step explanation:

To get a mean of 80 Terry must score a total of 4*80 = 320 over the 4 tests.

So his score for the last test must be 320 - (71 + 80 + 86)

= 320 - 237

= 83.

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3 years ago

marcy takes two different medicines. one every 6 hours. one every 4 hours. she takes both of them at 9 a.m. what time will she t

Mrac [35]

At nine o'clock pm twelve hours later

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3 years ago

Plot the integer -7 on the number line​

Plot the integer -7 on the number line