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Arisa [49]
3 years ago
7

2-4/5 x 1/2 = ________ *simplify answer*

Mathematics
1 answer:
Slav-nsk [51]3 years ago
3 0
The answer would be 1.6 because 2 - 4/5 is 1.2, and then 1.2 x 1/2 is 1.6
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Speed test cost $5 each and large one-topping pizzas cost $6 each write an equation that represents the total cost t of c large
yKpoI14uk [10]

<u>Answer:</u>

Equation t = 5c + 6d represents total cost t of c large pizzas and d large one-topping pizzas

<u>Solution:</u>

Given that

Cost of large pizza = $5 each

Cost of large one-topping pizza = $6 each

Need to write the equation that represents total cost t of c large pizzas and d large one topping pizzas.

From given information

Cost of 1 large pizza = 5

So cost of c large pizzas   = c x 5 = 5c

Cost of 1 large one-topping pizza = 6

So cost of d large one-topping pizzas   =d x 6 = 6d

<em>Total cost t = cost of c large pizzas + cost of d large one-topping pizzas    </em>

=> t = 5c + 6d

Hence equation t = 5c + 6d  represents total cost t of c large pizzas and d large one-topping pizzas.    

3 0
3 years ago
100 POINTS PLEASE HELP ASAP!!!!
Alika [10]

Answer: To clear an equation of decimals, multiply each term on both sides by the power of ten that will make all the decimals whole numbers. In our example above, if we multiply .25 by 100, we will get 25, a whole number. Since each decimal only goes to the hundredths place, 100 will work for all three terms.

So let's multiply each term by 100 to clear the decimals:

(100)0.25x + (100)0.35 = (100)(-0.29)

25x + 35 = -29

Now we can solve the equation as normal:

25x + 35 - 35 = -29 - 35

25x = -64

x = -2.56 Since the original was in decimal form, the answer should most likely also be in decimal form.

Let's look at one more:

1.75x + 4 = 6.2

We have to think a little more carefully about what multiple of ten to use here. 6.2 only needs to be multiplied by 10, but 1.25 needs 100, so we will multiply every term by 100. Don't forget to multiply the 4 by 100 as well.

(100)(1.75x) + (100)(4) = (100)(6.2)

175x + 400 = 620

We had to be extra careful as we multiplied by 100. Now we can solve the equation as normal:

175x + 400 - 400 = 620 - 400

175x = 220

x = 1.26

Step-by-step explanation:

8 0
3 years ago
What type of sample produces valid results?
Finger [1]
I would say D the other answers seem wrong
3 0
3 years ago
What is the slope of the line shown below (- 1, 8) (2, - 4)
suter [353]

Answer:

The slope of the line can be determined from the gradient equation, rise (y axis)/ run (x-axis)

Hence let (-1, 8) be A and (2, -4) be B. The slope from A to B is (-4-8)/(2-(-1))= (-12)/3= -4

Hence the gradient/ slope of the line is -4.

Step-by-step explanation:

6 0
3 years ago
Select all the expressions that are equivalent to 16x+36
kakasveta [241]
I believe it’s c and d
3 0
3 years ago
Read 2 more answers
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