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german
3 years ago
9

Pls help I have today to finish this

Mathematics
2 answers:
Charra [1.4K]3 years ago
8 0

Answer:

50

Step-by-step explanation:

Ghella [55]3 years ago
5 0

Answer:

50

Step-by-step explanation:

because 50 pints

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Need help with number 5 and number 6
Goshia [24]

Answer:

5 d) 9 1/3

6 d) 2

Step-by-step explanation:

Proportions:

5

7 ⇒ 4

BY ⇒3

BY = 7*4/3

BY = 28/3

28/3 = 27/3 + 1/3 = 9 1/3

BY = 9 1/3

6

12 ⇒ 3

8  ⇒ SX

SX = 3*8/12

SX = 2

7 0
3 years ago
Which of the following expressions is equivalent to (x + 5) ^2
Karo-lina-s [1.5K]
(X+5)^2 = x^2 +10x + 25


the expression that is equivalent to

To multiply it we apply FOIL method
Multiply x with x+5 first and then we multiply 5 with x+5






7 0
3 years ago
Mary made 85% of her free-throw attempts. If she missed only six free
posledela

Answer:

40

Step-by-step explanation:

given the fact that mary made 85% of her free throws attempts,

thus she missed the rest 100 minus 85= 15% of the attempts. let the total number of attempts be x. thus:

15% of x=6

15/100 x=6

solve by cross multiplying

x=6  100/15

x=40

hope this helps

7 0
4 years ago
A vehicle factory manufactures cars. The unit cost C (the cost in dollars to make each car) depends on the number of cars made.
Snezhnost [94]

Answer:

The minimum unit cost is 5377

Step-by-step explanation:

Note that we have a cudratic function of negative principal coefficient.

The minimum value reached by this function is found in its vertex.

For a quadratic function of the form

ax ^ 2 + bx + c

the x coordinate of the vertex is given by the following expression

x=-\frac{b}{2a}

In this case the function is:

C(x) = x^2 - 400x + 45,377

So:

a=1\\b=-400\\c=45,377

Then the x coordinate of the vertex is:

x=-\frac{-400}{2(1)}

x=200\ cars

So the minimum unit cost is:

C(200) = (200)^2 - 400(200) + 45,377

C(200) = 5377

6 0
3 years ago
Read 2 more answers
Find X- Y if X= 1/4 and Y= -X <br><br> A) 1/3<br> B) 1/2<br> C) -1/3<br> D)-1/2
77julia77 [94]

Answer:

Step-by-step explanation:

x = 1/4

y = -x = -1/4

x-y=\frac{1}{4}-(-\frac{1}{4})\\\\=\frac{1}{4}+\frac{1}{4}\\\\=\frac{1+1}{4}\\\\=\frac{2}{4}\\\\=\frac{1}{2}

6 0
3 years ago
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