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3 years ago

A delivery service charges $1.25 for

Mathematics

1 answer:

choli [55]3 years ago

8 0

Answer: $6\ \text{miles}$

Step-by-step explanation:

Given

A delivery service charge $\$1.25$ for each delivery

and an additional $\$0.75$ for each mile traveled

Suppose, x miles are covered

The charge is given by

$\Rightarrow 5.75=1.25+0.75x\\\Rightarrow 4.5=0.75x\\\Rightarrow x=6\ \text{miles}$

Therefore, driver traveled 6 miles for delivery

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Solve for the missing angle. Round to the nearest hundredth. 18 ? 13 ? = degrees

skad [1K]

Answer:

$\theta \:=43.76^{\circ \:\:}$

Step-by-step explanation:

The right triangle has the hypotenuse = 18

Let 'Ф' be the missing angle

we know that

cos Ф = adjacent/hypotenuse

Here,

The adjacent to Ф = 13

The hypotenuse = 18

cos Ф = adjacent/hypotenuse

$cos\:\theta \:=\frac{13}{18}$

$\theta \:=\cos ^{-1}\left(\frac{13}{18}\right)$

$=43.76^{\circ \:}$

Therefore, the missing angle is:

$\theta \:=43.76^{\circ \:\:}$

8 0

2 years ago

Please help and please explain

Amiraneli [1.4K]

Answer:

Step-by-step explanation:

Quadrant II is the top right corner. Both of the values are positive there so the only correct answer is D.

Hope this helps!

7 0

2 years ago

Evergreen Wildlife Preserve has 110 animals, and 66 of them are birds of prey. What percent of the animals are birds of prey?

Korolek [52]

Answer:

60%

Step-by-step explanation:

let ,x% is birds of prey

total animals=110

birds of prey=66

then,

x%of 110=66

x/100×110=66

110x/100=66

1.1x=66

x=66/1.1

x=60%

I'm not sure if this is correct.

7 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20-%20%20%5Cfrac%7B17%7D%7B6%7D%20x%20%2B%201%20%3D%20%20%5Cfrac%7B7%7D%7B6%7D%20%20-%20%20%5

Shalnov [3]

$-\dfrac{17}{6}x+1=\dfrac{7}{6}-\dfrac{5}{2}x\\\\\text{Most people do not like fractions. Well, let's get rid of them.}\\\\\text{Find the common denominator.... It's 6 :)}.\\\\\text{Multiply both sides of the equation by 6:}\\\\6\!\!\!\!\diagup^1\cdot\left(-\dfrac{17}{6\!\!\!\!\diagup_1}x\right)+6\cdot1=6\!\!\!\!\diagup^1\cdot\dfrac{7}{6\!\!\!\!\diagup_1}-6\!\!\!\!\diagup^3\cdot\dfrac{5}{2\!\!\!\!\diagup_1}x\\\\-17x+6=7-3\cdot5x\qquad\text{subtract 6 from both sides}$

$-17x=1-15x\qquad\text{add 15x to both sides}\\\\-2x=1\qquad\text{divide both sides by (-2)}\\\\\boxed{x=-\dfrac{1}{2}}$

3 0

2 years ago

Help is needed please!!

gayaneshka [121]

The answer is 201 hope this helps

8 0

3 years ago