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3 years ago

Triangle JKL has vertices J (-7, 4), K (7.1),

Mathematics

1 answer:

harina [27]3 years ago

7 0

Answer:

J'(7,-4), K'(-7,-1), L'(-2,2)

Step-by-step explanation:

reflection over x-axis: (x,y) --> (x,-y)

reflection over y-axis: (x,y) --> (-x,-y)

Because the triangle is reflected x-axis and then y-axis,

all points would be (x,y) --> (-x,-y)

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It takes 12 men 8 days to construct a wooden shed. How many days will 15 men take?

Fynjy0 [20]

Answer:

10 days.

Step-by-step explanation:

8÷12 (because you can not divide people.

.666

take that and multiply it by 15

you will get 10

6 0

3 years ago

Hideki is draining a 45-gallon aquarium at a rate of 15 gallons per minute. What is the initial value of the linear function tha

kakasveta [241]

Hideki is draining a 45-gallon aquarium at a rate of 15 gallons per minute. Let's solve for the initial value of the linear function that represents thissituation.
=> 45 gallon aquarium at rate of 15 gallons per minute.
=> 45 gallon / 15 gallon = 3 minutes.
Therefore with the rate of 15 gallons per minutes, Hideki will be able to finish the 45 gallon aquarium in 3 minutes.

4 0

3 years ago

Read 2 more answers

Parker is testing 2 different types of ant killer in his yard. He purchases Brand A and Brand B from the home improvement store.

NNADVOKAT [17]

Answer:

He did not wait as long between each treatment of ant killer.

Step-by-step explanation:

He did one on monday and another on saturday then checked them on sunday

8 0

3 years ago

What are the points for y =−7x−1?<br><br> I need the points!

harkovskaia [24]

You can find the x and y intercepts by plugging 0 in for each of the variables

(0)=-7x-1
1=-7x
x=-1/7

your x- intercept is (-1/7,0)

y=-7(0)-1
y=-1

your y-intercept is (0,-1)

7 0

3 years ago

Swamp gas consists primarily of methane, a chemical compound consisting of a 1 : 4 ratio of carbon to hydrogen atoms. If a sampl

Alchen [17]

Answer:

Number of carbon atoms present in the sample are 391.

Step-by-step explanation:

We are given that,

Ratio of carbon to hydrogen atoms = 1 : 4

It is given that a sample of methane consists of 1564 hydrogen atoms.

Let the carbon atoms in the sample = x

So, we have the relation,

$\frac{Carbon}{Hydrogen}=\frac{1}{4}=\frac{x}{1564}$

i.e. $\frac{1}{4}=\frac{x}{1564}$

i.e. $x=\frac{1564}{4}}$

i.e. x= 391

Hence, the number of carbon atoms present in the sample are 391.

4 0

3 years ago