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Ivahew [28]
3 years ago
5

What is the expression of 2x^2+7x+4

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
3 0
(-7/4,-17/8)
(0,4)the domain is undefined I think that if you need any more questions you need to download photomath on your phone so that way you can scan your question and I'll give you the answer and steps to go with it

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If RH = 10 units, HT = 16 units, and GH = 8 units, what is the length of line segment HJ?
Dominik [7]

Answer:

HJ=20\ units

Step-by-step explanation:

<u><em>The complete question is</em></u>

RT and GJ are chords that intersect at point H. If RH = 10 units, HT = 16 units, and GH = 8 units, what is the length of line segment HJ? 18 units 20 units 26 units 28 units

we know that

The <u><em>intersecting chords theorem</em></u>  is a statement that describes a relation of the four line segments created by two intersecting chords within a circle. It states that the products of the lengths of the line segments on each chord are equal

so

In this problem

(RH)(HT)=(GH)(HJ)

substitute the given values

(10)(16)=(8)(HJ)

solve for HJ

HJ=160/8\\HJ=20\ units

7 0
3 years ago
Read 2 more answers
marie made a model (shown below) of the square pyramid she plans to build when she grows up. Find the surface area of the model.
Vladimir [108]

Answer:

55

Step-by-step explanation:

8 0
3 years ago
Use the side-splitter theorem to solve for x in the triangle below.<br> 21<br> 42
alexandr1967 [171]

x = 8

Solution:

Side-splitter theorem:

<em>If a line is parallel to one side of a triangle and the line intersects the other two sides, then this line divides those two sides proportionally.</em>

$\Rightarrow\frac{4}{21} =\frac{x}{42}

Do cross multiplication, we get

⇒ 4 × 42 = 21x

Divide by 21 on both sides, we get

⇒ 4 × 2 = x

⇒ 8 = x

Switch the sides.

⇒ x = 8

The value of x is 8.

8 0
3 years ago
12 x 1) +(6x1000) it has to be decimal form
Firdavs [7]

Answer:

I got 6.012 times 10^3

Step-by-step explanation:

I'm not sure how to make it into decimal form but maybe that number can help you. Hopefully it's correct

6 0
3 years ago
Graph the solution of the inequality: 3/7 (35x-14) ≤ 21x/2 + 3
hammer [34]
Hello there!

In order to graph the solution, we need to solve it first.

So let's start....

3/7(35x - 14) ≤ 21x/2 + 3

15x -6 ≤ 21x/2 + 3

15x - 21x/2 ≤ 3 + 6

9x/2 ≤ 9

x ≤ 9* 2/9

x ≤ 18/9

x ≤ 2

See the picture for the graph

Please let me know if you have questions about the answer.

Thanks!

5 0
3 years ago
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