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Setler79 [48]
3 years ago
12

Can someone help me with this question please

Mathematics
1 answer:
Shtirlitz [24]3 years ago
7 0

Answer:

61

Step-by-step explanation:

all angles that are in a triangle add up to 180

x+80+39=180

x+119=180

x=61

Hope that helps :)

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4/7 - (-4/7) PLZ HELP!
Sedbober [7]

Answer:1.14

Step-by-step explanation:

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3 years ago
If AD = 5x - 7 and AB = 2x +11, what is the length of AD
Norma-Jean [14]

Answer:

The length of AD is 6.

Step-by-step explanation:

Solve.

5x - 7 = 2x + 11 \\  \frac{ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  - 2x \:  \:  \:  \:  \:  \:  =  - 2x \:  \:    \:  \:  \:   \:  \:  \:  \:  \:  \:  \:  \:  \: \:  \:  \:  \:  \:  \:  \:  }{3x - 7 = 11}  \\  \frac{  \:  \:  \:  \:  \:  \:  \:  \:  \:  + 7  =  + 7}{3x = 18}  \\  \\  \frac{3x}{3}  =  \frac{18}{3}   \\  \\ x = 6

Now plug in:

5x - 7 \\ 5(6) - 7 \\ 30 - 7 \\ 23

^Therefore, your result^

8 0
3 years ago
Please help!!!!
sergiy2304 [10]
The answer above is D. I hope this helps!
8 0
3 years ago
Read 2 more answers
In Omak the sales tax is 8.4%. What is the total cost including tax Aakel spent on a $48 purchase?
Vikki [24]

Answer:

$52.03

Step-by-step explanation:

1. Approach

To solve this problem, first one needs to calculate the sales tax, then one must add that to the amount spent on the purchase. To calculate sales tax, one must convert the percent to decimal form, this can be done by dividing the percent by 100. Then one will multiply the decimal by the amount spent.

2. Find the tax

As states above; to calculate sales tax, one must convert the percent to decimal form, this can be done by dividing the percent by 100. Then one will multiply the decimal by the amount spent.

<u>a. convert percent to decimal</u>

8.4 / 100 = 0.084

<u>b. multiply the decimal by the amount spent</u>

48 * 0.084 = 4.032

The amount spent on sales tax is, $4.032

3. Find the total amount spent

Now all one has to do is add the amount spent in tax by the amount spent on the purchase.

48 + 4.032 = 52.032

Since money is only spent rounded to the second decimal point, one has to round the number;

52.03

6 0
2 years ago
Tony drove 605 miles in 11 hours At the same rate how many miles would he drive in 7 hours
Vitek1552 [10]

Answer:

He drive for 385 miles

Step-by-step explanation:

11hrs = 605 miles

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7hr = 55 × 7

= 385 miles

7 0
3 years ago
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