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Kay [80]
3 years ago
11

Which expression is equivalent to 99 + 22? A. 11(9) + 2(1) B. 11(9 + 2) C. 9 + 2(11) D. (8 × 9) + (6 × 7)

Mathematics
1 answer:
docker41 [41]3 years ago
6 0

Answer:

B

Step-by-step explanation:

They both equal 121

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!!MATH GENIUSES HELP ME!!
seraphim [82]

Answer:

D

Step-by-step explanation:

Let x be Bill’s scores.

Let y be Theo’s scores.

x + y = 90

x² = y

Solve for x in the second equation.

x = √y

Put x as √y in the first equation and solve for y.

√y + y = 90

√y = 90 - y

y = (90 - y)²

y = - y² - 180y - 8100

0 = -y² - 181y - 8100

0 = (-y+81)(y-100)

-y+81=0

y = 81

y - 100 = 0

y = 100

100 does not work if we plug in to check, so y is 81.

y = 81

Put y as 81 in the first equation and solve for x.

x + 81 = 90

x = 9

Bill scored 9 goals and Theo scored 81.

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3 years ago
The function h = -16t2 + 1700 gives an object’s height h, in feet, at t seconds.
katen-ka-za [31]
What do you want me to solve for?
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3 years ago
A triangle is cut from a rectangle. The height of the triangle is half of the unknown side length s s . The area of the shaded r
SpyIntel [72]
Multiply 84 times 2 to find it hopes this helps.
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3 years ago
When class 11Y1 found that their favourite teacher, Mr Musson, was leaving they decided to organise a party for him. Lewis, one
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Answer: £14.94

Step-by-step explanation:

36 cartons at £1.56 for 4 = 14.04

2 cartons at £45p = 0.90

6 0
3 years ago
Evaluate the expression <br><br><br><br>please HELP​
mamaluj [8]

w+5=8 because 3+5=8 so

w+5=9 because we put w as 4

w +5=10 so w is 5

6 0
3 years ago
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