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professor190 [17]
3 years ago
10

Change subtraction to addition by adding the

Mathematics
2 answers:
telo118 [61]3 years ago
5 0
Numbers my dude good luck
melamori03 [73]3 years ago
4 0

Where are the numbers?

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The base of a triangle exceeds the height by 3 cm if the area is 170 cm² what is the length of the base and the height of the tr
Strike441 [17]

Hey there!!

How do we find the area of a triangle?

Ans - Formula = ( 1 / 2 ) ( base ) ( height )

In the question, it states the base exceeds the height by 3 cm

Let's take the height as ' x '

The, the base of the triangle would be ' x + 3 '

It's area = 170 cm²

Let' get this into an equation :

( 1/2 ) ( x ) ( x + 3 ) = 170

... ( x / 2 ) ( x + 3 ) = 170

... ( x² + 3x / 2 ) = 170

Multiplying by 2 on both sides

... x² + 3x = 340

Subtract 340 on both sides

... x² + 3x - 340 = 0

We can write this as

... x² - 17x + 20x - 340 = 0

... x ( x - 17 ) + 20 ( x - 17 ) = 0

... ( x + 20 ) = 0

... ( x - 17 ) = 0

... x = -20

... x = 17

As the value can not be in negatives, we take x as 17

The value of height = 17 cm

The value of the base = 20 cm

Hope my answer helps!!


6 0
3 years ago
Read 2 more answers
one taco supreme and two pan pizzas provide 3850 calories. Two taco supremes and one pan pizza provide 3770 calories . Find the
Sedaia [141]

Answer:

Taco supreme is 1230 calories

Pan pizza is 1310 calories

Step-by-step explanation:

Let's denote taco supreme as T and pan pizza az P. We have:

T+2*P = 3850 and 2*T + P = 3770

If we add the equations we get 3*T+3*P = 7620

3*(T+P) = 7620

T+P = 2540 => we can use T=2540-P

Back to one of the first equations we get 2540-P+2*P=3850

P=3850-2540= 1310

=>T= 2540-1310= 1230

4 0
3 years ago
Help me please, thank you!
elena-s [515]
A is 3 square root 2
Since 3*6 is 18
Find the factors of 18
So we have 9 and 2
9 is a perfect square so it’s 3 with 2 inside radical
7 0
3 years ago
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15 fewer than the quantity 222 times c equals c<br><br><br> Can you please write this as
vampirchik [111]
As an expression, this is: 
222c - 15 = c
If you want to solve it, add 15 to each side to get: 
222c = c + 15 
Subtract c from each side: 
221c = 15 
Divide each side by 221: 
c ≈ 0.0678733 
Hope this helps!
5 0
3 years ago
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John spent $75 on a shopping trip for new clothes last week. He had expected to spend $100 on clothes. Complete the table.
masha68 [24]

Answer:

I think it would be Column 2

Step-by-step explanation:

6 0
3 years ago
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