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Anastaziya [24]
4 years ago
5

Is this 55 percent if not can you help me

Mathematics
2 answers:
Helga [31]4 years ago
7 0

there are 10rows and 10 columns of squares.

4 rows are completely black so adds 40, plus 3 of them are colored to 6 blocks, so adds 3*6=18

58 of 100 is 58%

Anna11 [10]4 years ago
4 0

Step-by-step explanation:

<u>Step 1:  Find the percent shaded</u>

<em>Count how many shaded blocks are there: </em> 58 shaded

<em>Count how many un-shaded blocks are there: </em> 42 un-shaded

<em>To find the percent shaded:  </em>

Amount Shaded / Total Blocks

58 / 100

0.58 * 100

58% is shaded

Answer:  58% is shaded

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Quadrato equation<br>x²+5x+6=0​
Mars2501 [29]

Answer:

x = - 3, x = - 2

Step-by-step explanation:

Given

x² + 5x + 6 = 0

Consider the factors of the constant term (+ 6) which sum to give the coefficient of the x- term (+ 5)

The factors are + 3 and + 2, since

3 × 2 = + 6 and 3 + 2 = + 5, thus

(x + 3)(x + 2) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 3 = 0 ⇒ x = - 3

x + 2 = 0 ⇒ x = - 2

8 0
4 years ago
Read 2 more answers
Find the angle, correct to two decimal places, that the lines joining the given points make with the positive direction of the x
Anni [7]

The angle the line joining the given points make with the positive direction of the x-axis is 341.56°

The angle Ф between two points (x₁,y₁) and (x₂,y₂) is gotten from tanФ = (y₂ - y₁)/(x₂ - x₁).

Since (x₁, y₁) = (3b, a) and (x₂, y₂) = (3a, b)

Substituting the values of the variables into the equation, we have

tanФ = (y₂ - y₁)/(x₂ - x₁)

tanФ = (b - a)/(3a - 3b)

tanФ = -(a - b)/3(a - b)

tanФ = -1/3

taking inverse tan of both sides, we have

Φ = tan⁻¹(-1/3)

Φ = -tan⁻¹(1/3)

Φ = -18.43°

Converting to a positive angle, we have

Φ = -18.43° + 360°

Φ = 341.56°

So, the angle the line joining the given points make with the positive direction of the x-axis is 341.56°

Learn more about angle between two points here:

brainly.com/question/25731151

6 0
3 years ago
Find the area of the figure. (Sides meet at right angles.)
NNADVOKAT [17]

Answer:

44ft

Step-by-step explanation:

To find the answer, you need to first break down your shape. We can see that the 2 sides are identical so we can just multiply the area of on eof the sides by 2. The 2 sides equal 20 in all. Now lets look at the last section. To find an unknown side, we need to subract the 2 known sides. 8-5=3.   3x8=24

24+20=44

Hope this helps.

6 0
3 years ago
Read 2 more answers
What was Sharon's error in finding the missing height measurement for her reduced tower? Her proportion does not have correspond
shtirl [24]

Answer:

Her proportion does not have corresponding parts in the same position.

Step-by-step explanation:

Sharon is drawing up a plan for building a reduced Eiffel Tower on her backyard patio. She has room to make a base of 5 feet. Her work is shown below.

What was Sharon’s error in finding the missing height measurement for her reduced tower?

Her proportion does not have corresponding parts in the same position.

For cross products, she needed to multiply 1050(328) and 5(x).

She needed to divide both sides by 1640, instead of 1050.

She needed to round down to 1.5 feet.

Height : base = 1,050 : 328

She has room to make a base of 5 feet.

Height : base = x : 5

1,050 : 328 = x : 5

1,050 / 328 = x / 5

Cross product

1,050 * 5 = 328 * x

5,250 = 328x

Divide both sides by 328

x = 5250 / 328

= 16.006

Approximately 16

Sharon's error:

Her proportion does not have corresponding parts in the same position.

5 0
3 years ago
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Which ordered pair (m, n) is a solution to the given system of linear equations? mc015-1.jp g (–4, –1) mc015-2.jp g (–1, –4) (11
mafiozo [28]

Answer:

(-1,-4)

Step-by-step explanation:

6m-5n=14  equation 1

2m+2n= -10  equation 2

using equation 2 we have

2m=-10-2n

m=-5-n equation 3

using equation 1  we have

6*(-5-n)-5n=14

-30-6n-5n=14

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-11n=44

n=-44/11

n=-4

using equation 3

m=-5-n

m=-5-(-4)

m=-1

finally we have

(-1,-4)

6 0
3 years ago
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