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sleet_krkn [62]
3 years ago
12

I need help please and thanks Number 9

Mathematics
1 answer:
Leni [432]3 years ago
4 0

Answer:

x= 1.75

Step-by-step explanation:

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The bottom one says 9/2 so please help with these questions, I have more on my profile.
eimsori [14]

18. Solve for x by factoring diamond method

10x^2 - 29x - 21 = 0 becomes

(2x - 7)(5x + 3) = 0

x = 7/2, -3/5

A

19. To model this we will do

(x + 9)(x + 9) = 169

distribute

x^2 + 18x - 88 = 0

factor

(x - 4)(x + 22) = 0

The length is 4m

D

20. This can be modeled by

(l)(l +5) = 234

distribute

l^2 + 5l -234 = 0

factor

(l-13)(l+18) = 0

The length is 13

The width is 18

B

21. To find this you divide the x term by 2 and square it so

10/2 = 5

5^2

25

B

22. To find this you divide the x term by 2 and square it so

9/2 = 4.5

4.5^2

81/4

C




7 0
3 years ago
For each number, name its opposite. a. -5 b. 28 c. -10.4 d. 0.875 e. 0 f. -8,003
melisa1 [442]

Answer:

5, -28, 10.4, -.875, 0, 8003

Step-by-step explanation:

5 0
3 years ago
Find x in the image below
Zanzabum

Check the picture below.

8 0
2 years ago
Which sequence of transformations performed on shape I confirms the congruence of shape II and shape I?
vampirchik [111]

Answer:

Option D. a 180° rotation about the origin and then a translation left 8 units.

Step-by-step explanation:

See the attached figure_1

From the graph: Point A'(-12,-6) is the image of point A(4,6)

We will check which sequence of transformations is true:

A. a reflection across the y-axis and then a translation down 16 units

A(4,6) ⇒(-4,6)⇒(-4,-10)   <u> (Wrong sequence)</u>

B. a 90° counterclockwise rotation about the origin and then a translation down 8 units

A(4,6) ⇒(-6,4)⇒(-6,-4)    <u>(Wrong sequence)</u>

C. a 90° clockwise rotation about the origin and then a translation left 16 units

A(4,6) ⇒(6,-4)⇒(-10,-4)    <u>(Wrong sequence)</u>

D. a 180° rotation about the origin and then a translation left 8 units

A(4,6) ⇒(-4,-6)⇒(-12,-6)A'   <u>(True sequence)</u>

<u></u>

Note: the rules is the attached figure_2

4 0
3 years ago
Read 2 more answers
Copy Mark charges $26 + 44 cents per copy to produce promotional brochures a royal linear equation that relates the cost c in do
olganol [36]

Answer:

(a)\ y = 26 + 0.44x

(b)\ 114\ copies

Step-by-step explanation:

Given

Base\ Charge = \$26

Rate = 44c per copy

Solving (a): Linear Equation

The total charges (y) is: the base charge + the rate * number of copies (x).

So, we have:

y = 26 + 0.44 * x

<em>The 0.44 is 44 cents converted to dollars</em>

y = 26 + 0.44x

Solving (b): Purchase if he budgets $76.16

This implies that y = 76.16

So, we have:

y = 26 + 0.44x

76.16 = 26 + 0.44x

Collect like terms

0.44x = 76.16 - 26

0.44x = 50.16

Solve for x

x = \frac{50.16}{0.44}

x = 114

4 0
3 years ago
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