PLEASE I NEED HELP WITH THIS I WILL MARK AS BRILLIANT PLSS!!

Mathematics

1 answer:

Naily [24]2 years ago

4 0

Answer:

Answers are below!

Step-by-step explanation:

Well it is easy.

a) -3-8/1-2=-11/-1=11

b)-2-0/-6+4=-2/-2=1

c)-7+2/4-0=-5/4

All you need to do is doing the needed action.

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I need help thank you! (7x + 14) (15x - 4)

sergey [27]

Answer:

(7x + 14)° = 84°

(15x - 4)° = 146°

Step-by-step explanation:

62° + (7x + 14)° = (15x - 4)°

62° +7x + 14 = 15x - 4

15x - 7x = 62 + 14 + 4

8x = 80

x = 10

Therefore, exterior angle (15x - 4)° = 146°

interior angle (7x + 14)° = 84°

8 0

3 years ago

The following list shows the items and prices for a restaurant order. Calculate the total amount if there is 7.5% tax and the cu

Rainbow [258]

The first thing we are going to do to find the total cost of the meal before tax:

Total cost before tax = $8.99 + 2($14.99) + $12.99 + 3($1.99)

Total cost before tax = $8.99 + $29.98 + 12.99 + $5.97

Total cost before tax = $57.93

Regarding the 15% gratuity, remember that the unofficial rule for tipping at restaurants is to tip according to the actual value of the meal and not the tax, so we calculate the value of the tip first, and then we add it to the total at the end of our calculations.

Tip = 15%($57.93) = $8.69

Now, lets calculate the tax

Tax = 7.5%($57.93) = $4.34

Finally, we can calculate the total cost of the meal

Total cost = cost before tax + tip + tax

Total cost = $57.93 + $8.69 + $4.34 = $70.96

We can conclude that the correct answer is a. $70.96

3 0

4 years ago

Read 2 more answers

If f(x)=3x^2-9 and g(x)=x^2+1 find (f+g)(x)

givi [52]