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SVETLANKA909090 [29]
3 years ago
6

GIVING BRAINLEST FOR SIMPLE 7TH GRADE MATH PROBLEM.

Mathematics
2 answers:
mario62 [17]3 years ago
5 0

Answer:

B. 60deg

Step-by-step explanation:

Both the sum of the third angle in the triangle and x has to be 180deg, as they sum to a half angle;

and the sum of angles in any triangle is 180deg.

We know that x = 180deg - (180deg - 28deg - 32deg) = 180deg - 180deg + 28deg + 32deg = 60deg

Also, note that x is drawn as smaller than a right angle. Unless the picture was made specifically to confuse us, we know that the only answer could be B.

Anni [7]3 years ago
5 0

Answer:

The exterior angle measures 60°

Step-by-step explanation:

Using the angles we already have we can determine that the missing interior angle is 120 since the interior angles of a triangle add up to 180°. So the missing interior and and the missing exterior angle are supplementary meaning they add up to 180. so 180-120=60°

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What is x if 3x-2=x-3​
blsea [12.9K]

Answer:

x=-1/2

Step-by-step explanation:

add 2 to both sides

3x=x-1

subtract x from both sides

2x=-1

divide by 2

x=-1/2

7 0
3 years ago
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The graph shows the amount of a medicine min milligrams, remaining in a patient's body hours after receiving an injection . The
aksik [14]

An exponential function is a function defined by y = ab^x, where a represents the initial value, and b represents the rate

<h3>(a) The factor at which the medicine decreased, in 1.5 hour</h3>

From the graph, we have the following ordered pairs

(x,y) = (0,270) and (1.5,80)

Given that:

y = ab^x

At point (0,270), we have:

ab^0=270

a= 270

At point (1.5,80), we have:

ab^{1.5} = 80

Substitute 270 for a

270b^{1.5} = 80

Divide both sides by 270

b^{1.5} = 0.2963

Take 1.5th root of both sides

b =0.44

Hence, the medicine decrease in the hour and half at a factor of 0.44

<h3>(b) The factor at which the medicine decreased in the first half hour, and the first hour</h3>

In (a), we have:

The decay factor (b) to be 0.44

This represents the factor at which the medicine decreased throughout.

Hence, the medicine decrease in the first half hour, and the first hour at a factor of 0.44

<h3>(c) The exponential equation</h3>

In (a), we have:

a= 270

b = 0.44

So, the exponential equation is:

y =270 * 0.44^x

In terms of m and h, we have:

m =270 * 0.44^h

Hence, the equation relating m to h is m =270 * 0.44^h

Read more about exponential equations at:

brainly.com/question/11832081

6 0
2 years ago
State a conclusion that seems reasonable Donald is older than jeanette; Donald is older than Ethan. Donald is older than Allen
Natali5045456 [20]
A reasonable conclusion is that Donald is the oldest the person because Donald is older than Jeanette, Ethan, and Allen.
8 0
2 years ago
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Long cooks three Vietnamese dinners that weigh a total of 40 ounces. What is the average(mean) weight for each dinner?
asambeis [7]

Answer:

The average (mean) weight for each dinner is 13.33 oz.

Step-by-step explanation:

mean = sum of all data points / total number of items in the set

mean = 40 / 3

<u>mean = 13.33 oz</u>

8 0
2 years ago
Samantha, Nyla, and Jerry own shares of stock in the Triumph Hotels company. The shares of stock that they own have a combined v
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Answer:

The value of the shares Samantha owns is $3,010

Step-by-step explanation:

Step 1

We add all the shares together and find out the cost of each share per dollar

Samantha owns 70 shares, Nyla owns 50 shares, and Jerry owns 40 shares.

Total amount of shares = (70 + 50 + 40) shares

= 160 shares

Step 2

The cost of share per dollar =

Values of shares/ Total number of shares

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Step 3

The value of the shares Samantha owns is calculated as:

Number of shares Samantha owns × cost of share per dollar

Samantha owns 70 shares

Hence:

= 70 × $43

= $3010

The value of the shares Samantha owns is $3,010

6 0
3 years ago
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