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musickatia [10]
2 years ago
8

Try it, let's see can u do or not

Mathematics
2 answers:
Firlakuza [10]2 years ago
8 0

Answer:

Step-by-step explanation:

Mashutka [201]2 years ago
6 0

Answer:

EC=2, AD=2.4

Step-by-step explanation:

Objectives: Similar Triangles. We need to establish the scale factor of the similar triangles, and use that factor to find the missing side length.

The corresponding similar side of the left triangle is AD and AB. AB measure is 4.5 and AD measure is 1.5 so this means that AB is 3 times as long as AD. This also means that for the other sides of the left triangle as well.

  • AC is 3 times as long as AE
  • BC is 3 times as long as DE

Using this information and what given in the diagram, AC measure is 3 but we need to find EC measure. We can use the addition postulate to find EC.

  • AE+EC=AC
  • 1+EC=3
  • EC=2

The same can be done for the triangle on the right. AC is 3 times longer than AE, so this means that AB is 3 times longer than AB using that knowledge, AD measure is 2.4

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The expression 9x2 - 5x - 7 has ___ terms and a constant of ___.
elena55 [62]
Answer: first option 3, - 7

Justification:

1) Given expression:9x² - 5x - 7

2) Each monomial is a term.

The monomials are each  combination of numbers and letters (coefficient, letters and exponents) separated of other monomials (terms) with a + or - operator.

3) Therefore, there are 3 terms which are:

9x²,
-5x, and
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The polynomials with 3 terms are called monomials.

4) The monomial (term) withoud letter is the constant. In this case that is  -7.
4 0
3 years ago
5(x-4)+2x=14 help me find the answer x=?
Bond [772]
Exact Form:
x = 34/7

Decimal Form:
x= 4. 857142

Mixed Number Form:
x= 4 6/7
4 0
2 years ago
Read 2 more answers
How to calculate the function y=x/3
OLEGan [10]
X     Y
0     0
1      1/3
2      2/3
3     1
4      4/3
5     5/3
6     2
7      7/3
8      8/3
9      3
I think this is what you meant. This is just a table for the values of y = x/3
6 0
2 years ago
A field is a rectangle with a perimeter of 1140 feet. The length is 400 feet more than the width. Find the width and length of t
Virty [35]

Answer:

Width= 85

Length= 485

Step-by-step explanation:

The width will be x, and the length will be x + 400, since it is 400 more than the width.

We know that the perimeter of a rectangle can be found using the equation 2w + 2l.

We plug in the values we have found.

2(x) + 2(x+400) = 1140

4x + 800 = 1140

4x = 340

x = 85

Now we know the width, since it is simply x. To find length all we have to do is add 400.

400 + 85 = 485

4 0
3 years ago
John ran around a track 1/8 of a mile long. He ran around the track 24 times. How many miles did he run in all?
nadezda [96]
1/8 x 24 = 3 
so John ran 3 miles
7 0
2 years ago
Read 2 more answers
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