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3 years ago

14

Based on the scatter plot which is the best prediction of the number of gallons of water used by this business when the cost of

water is $180

1 answer:

Orlov [11]3 years ago

7 0

Answer:

Step-by-step explanation:

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Using Algebra tiles, show a model of 3x.

jenyasd209 [6]

its the first option.

tiles of X and tiles of 1 are different

3 tiles of "X" = 3X

3 tiles of " 1 " = 3

option 3 does not mean 3X, it just means 3X + 3

3 0

3 years ago

could someone please help with these three? I got a few minutes left and I'm clueless IM IN NEED OF HELP!!

algol [13]

Answer:

Student 1 has the correct answer

Student 2 started of OK but then divides the number of white marbles by the number of non-white marbles, which is incorrect.

Student 3 reports a probability larger than 1 which is impossible. Also the answer is not in percentages.

7 0

3 years ago

What is the correlation coefficient with the following data points: (1,6), (3,2), (7,5), (6,2)?

Reil [10]

7,1 i think bc if u look at dem patterns

5 0

4 years ago

Solve the equation for the unknown variable 5(x+5)=10

Naddik [55]

Answer:

x= -3

Step-by-step explanation:

Given: 5(x+5) = 10

Find: x

Set the equation up.

5(x+5) = 10

Simplify.

5x + 25 = 10

Subtract 25 from both sides.

5x = -15

Divide to isolate the variable.

x = -3.

6 0

3 years ago

Read 2 more answers

I need help to fill in the blanks.. please

Murljashka [212]

Answer:

Part a) alternate interior angles theorem

Part b) vertical angles theorem

Part c) AA Similarity theorem

Part d) triangle ABC is similar with triangle EDC

Part e) The length side b is 3 cm

Step-by-step explanation:

Part a) we know that

The <u><em>Alternate Interior Angles Theorem</em></u> states that, when two parallel lines are cut by a transversal , the resulting alternate interior angles are congruent. Each pair of these angles are inside the parallel lines, and on opposite sides of the transversal.

In this problem

The transversal is the segment BD and the parallel lines are AB and DE

so

$m\angle 1=m\angle 4$ ----> by alternate interior angles theorem

Part b) we know that

<u><em>Vertical Angles Theorem</em></u> states that vertical angles are congruent. Vertical Angles are the angles opposite each other when two lines cross.

In this problem, the two lines that cross are BD and AE

so

$m\angle 5=m\angle 6$ ----> by vertical angles theorem

Part c) we know that

The <u><em>AA Similarity Theorem</em></u> states: If two angles of one triangle are congruent to two corresponding angles of another triangle, then the triangles are similar

In this problem

triangle ABC is similar with triangle EDC by AA Similarity Theorem

Because

$m\angle 1=m\angle 4$ ----> by alternate interior angles

$m\angle 5=m\angle 6$ ----> by vertical angles

Part d) triangle ABC is similar with triangle EDC by AA Similarity Theorem

see the explanation Part c)

Part e) Find the length of side b

we know that

If two triangles are similar, then the ratio of its corresponding sides is proportional and its corresponding angles are congruent

we have that

triangle ABC is similar with triangle EDC

so

Applying proportion

$\frac{BC}{DC}=\frac{AC}{EC}$

substitute the given values

$\frac{2}{DC}=\frac{5}{7.5}$

solve for DC

$DC=2(7.5)/5=3\ cm$

therefore

The length side b is 3 cm

6 0

3 years ago