Can someone please help me with this please
Answers
8/12 = 2/3
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Need help on question 13 with work and answer Can you guys check if 12 and 14 are also correct plz
What is the surface are of a rectangle pool with a lenth of 105 feet and a width of 45 yards?
Solve the inequality. |4x + 2| < 26 A. –32 < x < 20 B. –7 > x > 6 C. –6 < x < 6 D. –7 < x < 6
Yasmine is serving ice cream with the birthday cake at her party.She has perchased 19 1/2 pints of ice cream.She will serve 3/4 of a pint to each guest. How many guests can be served ice cream? Will there be any ice cream left?Justify your thinking
Answers
Answer:
646 child tickets are sold
Step-by-step explanation:
Let c represent the number of child tickets sold. Then (c-186) is the number of student tickets sold, and (c+234) is the number of adult tickets sold. The total number sold is ...
(c -186) + c + (c+234) = 1986
3c +48 = 1986 . . . simplify
c + 16 = 662 . . . . divide by 3
c = 646 . . . . . . . . . subtract 16
The number of child tickets sold is 646.
Answers
Answer:
15/36 or 41.667%
Step-by-step explanation:
Answers
f(5) for the function -2x² + 2x - 3
usually the value enclosed in a parenthesis in a function is the value of x.
f(x) = -2x² + 2x - 3
So if x = 5 ; then, we simply substitute x by its value
f(5) = -2(5²) + 2(5) - 3
f(5) = -2(25) + 10 - 3
f(5) = -50 + 10 - 3
f(5) = 10 - 50 - 3
f(5) = 10 - 53
f(5) = -43
To find f(5) for the function –2x^2 + 2x – 3, substitute 5 in place of x and evaluate the expression. The value of f(5) is -43.
To find f(5) for the function –2x2 + 2x – 3, simply substitute 5 in place of x in the function.
So, f(5) = –2(5)2 + 2(5) – 3.
Calculating further, f(5) = –2(25) + 10 – 3 = –50 + 10 – 3 = –40 – 3 = -43.
Learn more about Evaluating Functions here:
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She has 475 grams of flour.
Does Marian have enough flour to make 20 cakes?
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Therefore 1 cake needs:
Moreover, 20 cakes need: 20 × 25 = 500 grams of flour
500 g > 475 g
Marian does not have enough flour to make 20 cakes
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legnth=15
width=10
height=2
V=15 times 10 times 2
V=300 ft^3
300 cubic feet ofsand
B-(80, 130, 30)
C-(130, 90, 20)
D-(120, 80, 40)
Answers
Answer:
Option D. (120, 80, 40)
Step-by-step explanation:
Let the cost of 3 baseball cards bought by Andrew are $x, $y and $z.
Now we will form the equations to find the unknown values of x, y, and z.
Statement 1 - Andrew bought 3 baseball cards for $240
Equation will be (x + y + z) = 240 --------(1)
Statement 2 - Jack offered a deal to buy the first card for the double of its original value along with the second card for $320.
Equation will be 2x + y = 320 --------(2)
Statement 3 - Jack offered another deal to buy first card for the double of its original value along with third card for $280
Equation formed 2x + z = 280 ------(3)
Now we can solve these equations to get the values of x, y and z.
From equation 2
y = 320 - 2x
From equation 3
z = 280 - 2x
Now we can replace the values of y and z in equation number 1.
Equation 1 becomes after substitution of y and z values
x + (320 - 2x) + (280 - 2x) = 240
Now we will group the similar terms
(x - 2x - 2x) + (320 + 280) = 240
-3x + 600 = 240
-3x = 240 - 600
-3x = - 360
x =
x = 120
Now we put x = 120 in the value of y
y = 320 - 2x
y = 320 - 2×120
= 320 - 240
= 80
Similarly we put the value x = 120 in value of z
z = 280 - 2x
= 280 - 2×120
= 280 - 240
= 40
So the original values of 3 baseball cards are (120, 80, 40)
Option D. will be the answer.