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rewona [7]
2 years ago
6

If AB=5, what is the measure of DE? Show all work and give an exact answer.

Mathematics
1 answer:
Inessa05 [86]2 years ago
7 0
Where’s the picture??
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What is the square root of 120
Viefleur [7K]

\tt\sqrt{120}= \sqrt{4\cdot30}=\sqrt{4}\cdot\sqrt{30}=2\sqrt{30}\approx2\cdot5.5\approx11

5 0
3 years ago
Read 2 more answers
Can you solve the system of equation using substitution y=x+8 <br> X+y=2
Vsevolod [243]
X + y = 2
Substitute x + 8 into y
x + x + 8 = 2
2x + 8 =2
(Subtract 8 from both sides)
2x = -6
(Divide both sides by 2)
x = -3

Subsitute x = -3 into either equation to find y
x + y = 2
-3 + y = 2
(Add 3 to both sides)
y = 2 + 3
y = 5

Or y can be solved for using:
y = x + 8
y = -3 + 8
y = 5
8 0
3 years ago
I need help i dont understand this​
mel-nik [20]
140 tickets sold at the door

Step by Step Explanation:

x = tickets sold in advance
y = tickets sold at the door

We use the formula ax+by=c and a+b=c

x + y = 514
17x + 20y = 9158

y = 514 - x
17x + 20(514 - x)
17x + 10,280 - 20x = 9,158
-3x + 10,280 = 9,158
-3x = -11222
x = 374

This is for tickets sold in advance so we need to find y

374 + y = 514
y = 140

140 tickets were sold at the door

8 0
3 years ago
What is the measure of angle X ?
Rus_ich [418]

Answer:

65 deg

Step-by-step explanation:

Recall that interior angles of a triangle must add up to 180 deg.

hence

x + 68 + 47 = 180

x = 180 - 68 - 47 = 65 deg

6 0
3 years ago
Please answer this correctly
Ksivusya [100]

Answer:

17 teaspoons

Step-by-step explanation:

1 tbs : 3 tsp

5 \frac{2}{3}  =  \frac{17}{3}  \\  \frac{17}{3} tbs \:  = 3( \frac{17}{3} )tsp \\  \frac{17}{3} tbs = 17tsp

Always start by converting mixed numbers into fractions;

multiply the whole number part by the denominator (under part) of the fraction part and add this to the numerator (upper part);

Then simply apply the ratio.

8 0
3 years ago
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