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3 years ago

Solve the system of equations.

Mathematics

2 answers:

melamori03 [73]3 years ago

8 0

THE ANSWER:

A IS THE ANSWER HOPE THIS WORKES

Step-by-step explanation:

Goryan [66]3 years ago

4 0

Answer: the first option! this is because one of the equations, x = y-4, is telling you what x equals. so in order to solve the equation, you need to substitute that into the x in the second equation

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Emma has 100 to spend at the pet store she needs to buy one bag of dog food and 2 chew toys Will Emma have enough money left ove

Bad White [126]

Answer:

DATA

Barky's Pet Store

Product : Cost

Bag of Dog Food : $35

Bag of Cat Food : $18

Chew Toy : $12

Catnip Toy : $9

Step-by-step explanation:

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3 years ago

The largest exponent in a polynomial is called its _____.

Galina-37 [17]

This is called the leading term

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3 years ago

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Marcus drew a quadrilateral with only 1 pair of parallel sides. Which quadrilateral did Marcus draw? parallelogram rhombus trape

SpyIntel [72]

Answer:

Trapezoid

Step-by-step explanation:

We have been given that Marcus drew a quadrilateral with only 1 pair of parallel sides. We are asked to determine the quadrilateral that Marcus drew.

We know that a parallelogram has two pair of parallel sides.

We also know that rhombus is a parallelogram whose 4 sides are equal is measure and rectangle is a parallelogram with opposite sides equal.

Since parallelogram, rhombus and rectangle has two pair of parallel sides, therefore, Marcus didn't draw any of these.

We know that trapezoid has only one pair of parallel sides, therefore, Marcus drew a trapezoid.

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4 years ago

A cable hangs between two poles of equal height and 35 feet apart. At a point on the ground directly under the cable and x feet

gayaneshka [121]

Answer:

293.38 pounds

Step-by-step explanation:

We are given that

Distance between poles=35 feet

$h(x)=10+0.1(x^{1.5})$

Weight of cable=10.4 per linear foot

We have to find the weight of the cable.

Differentiate w.r.t

$h'(x)=0.1(1.5)x^{0.5}=0.15x^{0.5}$

$s=2\int_{0}^{17.5}\sqrt{1+(h'(x))^2}dx$

$s=2\int_{0}^{17.5}\sqrt{1+(0.15x^{0.5})^2}dx$

$s=2\int_{0}^{17.5}\sqrt{1+0.0225x}dx$

Let $1+0.0225x=t$

$dx=\frac{1}{0.0225}dt$

$s=\frac{2}{0.0225}\int_{0}^{17.5}\sqrt{t}dt$

$s=\frac{2}{0.0225}\times\frac{2}{3}[t^{\frac{3}{2}}]^{17.5}_{0}$

$s=2\times \frac{2}{3\times0.0225}[(1+0.0255x)^{\frac{3}{2}]^{17.5}_{0}$

$s=\frac{4}{3\times 0.0225}((1+0.0225(17.5))^{\frac{3}{2}-1)$

s=28.21

Weight of cable= $28.21\times 10.4=293.38$ pound

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3 years ago

SOMEONE PLEASE HELP ME I’LL GIVE OUT BRAINLIEST PLEASE DONT ANSWER IF YOU DON’T KNOW ORDER OF OPERATION

bezimeni [28]

Answer:

the answer is 85

Step-by-step explanation:

OREDR OF OPERATIONS IS

Parenthesis

exponents

multiple/divide

add/subtract

all in that order

5 0

3 years ago

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