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fgiga [73]
3 years ago
14

Given the inequality of x < 5, select all the

Mathematics
1 answer:
diamong [38]3 years ago
7 0
Nxnxnxbbxnxndnnsnsn nsnsnsndnnsndnndndnsndnndndnndnd
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You are a policy maker who is concerned with low standardized-test scores in high schools in your school district. You are inter
kap26 [50]

Answer:

The estimated impact of the experiment of offering test preparation classes is:

= 8 scores (in performance improvement).

Step-by-step explanation:

Average standardized-test score for the first 10 high schools = 69

Average standardized-test score for the second 10 high schools = 70

After 6 months:

Average standardized-test score for the first 10 high schools offered test preparation classes = 78

The change in the average standardized-test score for the first 10 high schools = 9 (78 - 69)

Average standardized-test score for the second 10 high schools not offered test preparation classes = 71

The change in the average standardized-test score for the second 10 high schools not offered the prep = 1 (71 - 70)

The estimated impact of the experiment of offering test preparation classes is:

= 9 - 1  

= 8.

8 0
3 years ago
In the picture below, ABCD is a rectangle. If the area of triangle ABE is 40, what is the area of the triangle?
MariettaO [177]

Area of the rectangle: 112

Step-by-step explanation:

Picture is missing: find it in attachment.

The area of a triangle is given by

A=\frac{1}{2}bh

where

b is the length of the base

h is the height

For triangle ABE, we know that

A = 40 (area)

h = 8 (height)

So we can find the length of the base AE:

AE=b=\frac{2A}{h}=\frac{2(40)}{8}=10

Now we observe that the base of the rectangle, AD, is the sum of AE and DE, therefore:

AD=AE+DE=10+4=14

We also know the height of the rectangle AB is 8, and that the area of a rectangle is

A=bh

where b is the base and h the height. Therefore, the area of this rectangle is

A=bh=(AD)(AB)=(14)(8)=112

Learn more about area of figures:

brainly.com/question/4599754

brainly.com/question/3456442

brainly.com/question/6564657

#LearnwithBrainly

7 0
4 years ago
Which expression is a factor of 12x2 +29x -8
Temka [501]

Answer:

Dear user,

Answer to your query is provided below

(4x−1)(3x+8) is a factor of 12x^2+29x-8

8 0
3 years ago
Simplify (34)−1.
elena55 [62]

The simplified form of the expression; (3/4)-¹ as given in the task content is; 4/3.

<h3>What is the simplified form of the expression as given in the task content?</h3>

It follows from the task content that the expression in discuss can be simplified as follows by the laws of indices;

(3/4)-¹

Hence, due to negative exponent, the result is;

= 1 ÷ (3/4)¹

= 1 × (4/3)

= 4/3.

Read more on indices;

brainly.com/question/170984

#SPJ1

6 0
2 years ago
I have troubles with math
Varvara68 [4.7K]
You need to ask the question while you say you have troubles, But what can I help you with?

8 0
3 years ago
Read 2 more answers
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