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Mathematics

1 answer:

telo118 [61]2 years ago

8 0

Side angle side and yes

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Miles and kilometers are twi different scales for measuring distances. A 5-kilometer race is approximately 3.1 miles, and a 10-k

sveta [45]

Answer:

$x=\dfrac{y}{0.62}$

Step-by-step explanation:

$5\ \text{km}=3.1\ \text{miles}\\\Rightarrow 1\ \text{km}=\dfrac{3.1}{5}=0.62\ \text{miles}$

$10\ \text{km}=6.2\ \text{miles}\\\Rightarrow 1\ \text{km}=\dfrac{6.2}{10}=0.62\ \text{miles}$

Let $y$ be the distance in miles. So distance in km is given by

$x=\dfrac{y}{0.62}$ .

The equation that shows the approximate distance in kilometers as a function if the distance in miles is $x=\dfrac{y}{0.62}$ .

7 0

3 years ago

In the given figure, if AOB is a straight line, then ∠BOC is

DedPeter [7]

Answer:

acute angle.

Step-by-step explanation:

because it is 60 degree

7 0

2 years ago

Read 2 more answers

Ms. Ramirez has a class of 15 students. She can spend $18 on each student to buy math supplies for the year. She first buys all

Aloiza [94]

Answer:7.775

Step-by-step explanation:

So u do 130.05 ÷18 =7.225

Now u do 15 - 7.225 = 7.775

7.775 is the money she can still spend for them.

Also u could do 15 x 18 = 270

270 ÷ 2 = 135

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3 years ago

2.25k - 20 = 6.5k + 14 please help me solve this step by step asap!

Rom4ik [11]

Answer:

k= -8

Explaining:

Move variable to the left-hand side and change its sign.

2.25k - 6.5k - 20= 6.5k - 6.5k + 14

Since two opposites add up to zero, remove them from the expression.

2.25k - 6.5k - 20= 14

Collect like terms!

-4.25k = 14 + 20

Add the numbers

-4.25k = 35

Divide both sides of the equation by -4.25

So you will get the answer: k= -8

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3 years ago

Multiply 5x^2-6x+2 4x^2-3x

mixas84 [53]

Answer:

$20x^{4}-39x^{3} +26x^{2}-6x\\$