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vichka [17]
3 years ago
11

Which of the following is equivalent to x2 + (x - 7) - (4x + 3)?

Mathematics
2 answers:
Iteru [2.4K]3 years ago
5 0

Answer:

D. x^2 -3x-10

Step-by-step explanation:

makkiz [27]3 years ago
4 0
The correct answer is D
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5. A bag contains 5 blue marbles, 4 yellow marbles and 1 red marble. What 1 point
Reptile [31]

Answer:

()

Step-by-step explanation:

Use nCr to figure this out, plug in the numbers and probabilities and solve

5 0
2 years ago
Read 2 more answers
Last week, Leon bought 8 pizzas and 13 cakes
romanna [79]
P = pizza and c =cakes

Last week: 8p + 13c = 134
Today: 28p + 4c = 220

Let’s take the formula for today and subtract 28p from each side to isolate the 4c.

4c = 220 - 28p

Now divide each side by 4

c = (220 - 28p)/4
Simplify to c = 55 - 7p

Now go to the formula for last week, substitute the c for 55-7p

8p + 13(55 - 7p) = 134
8p + 715 - 91p = 134

Simplify to 715 - 83p = 134

Let’s add 83p to each side.

715 = 134 + 83p

Subtract 134 from each side

581 = 83p

Divide each side by 83

p = $7
5 0
2 years ago
A cup of milk has 10 grams of protein. How much protein is in 2.5 cups of milk?
Sedaia [141]

Answer:

25 grams of protein

Step-by-step explanation:

10 grams of protein is in 1 cup of milk.

To understand how many grams of protein are in 0.5 cups of milk, I would need to divide 10 by 2, to get 5.

There are 5 grams of protein in 0.5 cups of milk.

Now if I want to see how many grams of protein are in 2 cups of milk, I would multiply 10 by 2, to get 20.

There are 20 grams of protein in 2 cups of milk.

But, the question is asking for how much protein is in 2.5 cups of milk.

Since we know how much is in 2 cups, and 0.5, we can just add them together, because 2+0.5 is 2.5.

20+5 is 25 grams.

There are 25 grams of protein in 2.5 cups of milk.

6 0
3 years ago
How do I explain to an alien how to graph Graph Y=-2(x+3)^2+1
Kitty [74]

Step-by-step explanation: Explanation:

y

−

2

=

3

(

x

−

1

)

3

x

−

y

=

3

−

2

=

1

x

1

3

+

y

−

1

=

1

is the intercept form of the equation.

Now we know the two points on the line as

(

1

3

,

0

)

,

(

0

,

−

1

)

By plotting the two points on a graph sheet and joining them gives the line required.

graph{3x - 1 [-10, 10, -5, 5]}

Hope this helps!!!

5 0
2 years ago
Divide each term in the equation –3y = –6x + 15 by –3 to solve for y. What is y?
Sphinxa [80]
Y= 2x - 5
Explanation. Negative divided by negative is a positive and a positive divided by a negative is a negative.
8 0
3 years ago
Read 2 more answers
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