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insens350 [35]
3 years ago
10

Hello I need help on this question. :)

Mathematics
2 answers:
iris [78.8K]3 years ago
7 0

Answer:

C

(4)+8 = 3(4)

12=12

Step-by-step explanation:

Brut [27]3 years ago
7 0
ANSWER:
OPTION B)
X/2=8
X=8*2
X=16
HOPE IT HELPS!!!!
IF IT HELPED PLEASE MARK BRAINLIEST!!!!
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The sides of a Triangle are in the ratio 11 19:24 and
Paul [167]

Answer:  The area of the triangle with the perimeter of 540 cm is approximately 10200 cm²

More exactly: 10182 cm²

Step-by-step explanation:  A=\frac{bh}{2}

240 × 84.85  = 10182

To get the height of the triangle, it takes some trigonometry;

Given 3 sides of a triangle, it is possible to calculate the angles using the Law of cosines and the formula cos A =\frac{b^{2} +c^{2} -a^{2} }{2bc}

We will need the measure of angle A, then use the sine of A to get the height of the line from angle C perpendicular to the base, side b.

We can use the dimensions given in the proportions and then multiply by 10 because the sides given add to a perimeter of 54, one tenth of the 540 cm of the actual triangle. The angles of the similar triangles are congruent.

side a = 19, side b = 24, side c = 11

24² + 11² - 19²   is   576 + 121 - 361 = 336

2(24)(11) = 528

cos A = 336 / 528  that is  0.636364\cos^{-1}\left(.6363634\right)= 50.47°

sin(50.47) = 0.77129

0.77129 × 11 = 8.48 is the height  Rounding to 8.5 would be reasonable for this height

Using rounded values here to calculate Area :

85 × 240/2 = 10200 cm²

8 0
3 years ago
Please help! Thank you
Vanyuwa [196]

Answer:

x = 82°

y = 59°

z = 39°

Step-by-step explanation:

∠x = 1/2(134° + 30°) = 82°

∠z = 180° - 59° - 82° = 39°

arc DF = 2(39°) = 78°

arc DB + arc DF = 134° + 78° = 212°

draw a diameter down from point B to the opposite side of the circle, call that point P:

arc BDP = 180°

(arc BDF) 212° - 180° = 32° (arc PF)

∠PBG = 1/2(32°) = 16°

∠DEB = 1/2(134°) = 67°

∠DBE = 180° - 59° - 67° = 54°

(∠DBE) 54° - (∠z) 39° + (∠PBG) 16° = (∠PBE) 31°

y = 90°- 31° = 59°

5 0
3 years ago
A linear regression was conducted on the number of cigarettes a person smokes in a day versus the number of times they cough in
makvit [3.9K]

Answer:

a) response variable

Step-by-step explanation:

The response variable is the variable that depends on other variables such as the independent or explanatory variable, it is the variable that is being tested. The response variable is also called the dependent variable.

In linear regression, the y variable is referred to as the response variable while the x variable is referred to as the explanatory or independent variable.

In this case the y variable is "the number of times they cough in a day" and this variation depends on the x variable "number of cigarettes a person smokes in a day".

8 0
3 years ago
Seven less than the product of 24 and Jose’s savings
Liono4ka [1.6K]

Answer:

24j -7

Step-by-step explanation:

Given

Savings \to j

Required

Express 7 less than 24 * j

First, we have:

24 * j = 24j

7 less is then expressed as:

24j -7

6 0
3 years ago
When preparing to buy a car, the first question you should ask yourself is... What do I need? What does the car look like? How s
dimulka [17.4K]

1. Money

2. Gray,Black

3. Get a truck not a car because if get a car and get in a car accident you will get hurt badly but with a truck not so bad

4. Your monthly payment depends on you and your dealership.

hope this helped

7 0
3 years ago
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