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2 years ago

EASY FAST MATH!!! HURRY! RATING BRAINLIEST!!!!

Mathematics

1 answer:

Mariana [72]2 years ago

4 0

Answer:

quadratic

Step-by-step explanation:

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Evaluate the expression 7x2y, when x = 4 and y = 2. 112 224 542 718

cricket20 [7]

Answer:

224

Step-by-step explanation:

Substitute x = 4 and y = 2 into the expression and evaluate

7x²y = 7 × 4² × 2 = 7 × 16 × 2 = 7 × 32 = 224

5 0

3 years ago

Read 2 more answers

Solve by substitution 4x+2y=10 x-y=13

Savatey [412]

4x+2y=10
x-y=13

x=13+y
4(13+y)+2y=10
52+4y+2y=10
52+6y=10
6y=-42
y=-7
x=13+y=13-7=6

8 0

3 years ago

Read 2 more answers

Simplify the expression given below.

trasher [3.6K]

Answer:

A) 1/(3x+1)

Step-by-step explanation:

(x+2)/(x³+2x²-9x-18)÷(3x+1)/(x²-9)

(x+2)/(x+2)(x+3)(x-3)÷(3x+1)/(x+3)(x-3)

since it’s dividing by a fraction, invert and multiply

(x+2)/(x+2)(x+3)(x-3) times (x+3)(x-3)/(3x+1)

The (x+2)’s cancel out.

The (x+3)’s cancel out.

The (x-3)’s cancel out.

You are left with 1/(3x+1)

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2 years ago

Bonnie is adding a ribbon border to the edge of her kite. Two sides of the kite measure 13.2 inches, while the other two sides m

OLEGan [10]

Answer:

Bonnie needs $67.8\ in$ of ribbon

Step-by-step explanation:

we know that

A Kite is a quadrilateral that has two pairs of equal sides

To find out how much ribbon Bonnie needs calculate the perimeter of the kite

$P=2(L1+L2)$

where

L1 is the length of one side

L2 is the length of the other side

$P=2(13.2+20.7)=67.8\ in$

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3 years ago

A baseball player has made 32 free throws in 45 attempts for current success rate of 71%. How many consecutive free throws must

s344n2d4d5 [400]

Answer: The player need to make 2 consecutive free throws to raise the average to 75%.

Step-by-step explanation:

Let the number of extra consecutive free throws to raise the average to 75% be 'x'.

Number of free throws already taken = 32

Number of attempts = 45

According to question, it becomes,

$\dfrac{32+x}{45}=0.75\\32+x=45\times 0.75\\\\32+x=33.75\\\\x=33.75-32\\\\x=1.75$

Hence, the player need to make 2 consecutive free throws to raise the average to 75%.

6 0

3 years ago