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2 years ago

jason eat 1/4 of the whole pizza for dinner write a fraction that reprents the amount of pizza that is remaining after dinner

Mathematics

1 answer:

Brut [27]2 years ago

4 0

Answer:

3/4

Step-by-step explanation:

- He ate 1/4

- 4-1=3

- 3/4 of the pizza is left

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Please help! Thanks in advance.

alukav5142 [94]

In this problem, we need to plug in the given x values for $f(x)=0$ and find a and b.

When we plug in 1, we get: $2 \times {1}^{4} - 5 \times {1}^{3} - 14 \times {1}^{2} + a \times 1 + b = 0$

Simplify:
$2 - 5 - 14 + a + b = 0$
$- 17 + a + b = 0$
$a + b = 17$

We got our first statement about the values of the variables. If we find one more we can find those 2 variables.

We have another given root: 4.

Plug it in:
$2 \times {4}^{4} - 5 \times {4}^{3} - 14 \times {4}^{2} + a \times 4 + b = 0$
$512 - 320 - 224 + 4a + b = 0$
$- 32 + 4a + b = 0$
$4a + b = 32$

Now we have our second one. We can combine them:
$a + b = 17 \\ 4a + b = 32$

I use elimination method which is easier here.

Multiply the top equation by -1: $- a - b = - 17 \\ 4a + b = 32$

Add them up:
$3a = 15$

Simplify:
$a = 5$

Now we have a, we can plug in one of those equations to find b:
$5 + b = 17$
$b = 17 - 5$
$b = 12$

So, the answers are $a=5$ and $b=12$ .

6 0

3 years ago

What is this shape which is 75 mm in diameter and 112 mm in height.<br> This shape has to be a prism

klasskru [66]

The shape you are looking for is a pyramyde

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8 0

2 years ago

If a = -8, b = -7, c = 6, then verify that (a+b) + c = a+ (b+c)<br><br> tysm for de help ✨

NISA [10]

The given information is,

→ a = -8

→ b = -7

→ c = 6

Let's verify the problem,

→ (a+b) + c = a+ (b+c)

→ (-8 - 7) + 6 = -8 + (-7 + 6)

→ -15 + 6 = -8 - 1

→ -9 = -9

→ [ LHS = RHS ]

Hence, it is equal and verified.

5 0

1 year ago

Yooooooooooooooooooooooooo

stira [4]

Answer:

3/2

Step-by-step explanation:

Rise over run meaning how many up over how many over (would be a negative rise if the line was \ instead of /)

find where the line intersects with the corner of the graph lines and plot from there.

Mark me as brainliest if this helps!

8 0

2 years ago

Read 2 more answers

sara drove 130 in 2.5 hours wich equation can be used to couculate r the average speed at which sara drove

goblinko [34]

130 divided by 2.5 or 130/2.5
Answer- 52 mph

3 0

3 years ago