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siniylev [52]
4 years ago
15

Plz help me with #23 and #41

Mathematics
1 answer:
GuDViN [60]4 years ago
7 0
23) 17/30

41) 3/10 because 3/10 + 7/10 = 10/10 or 1.
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What is the solution to the following equation?<br> x2 + 3x + 4 = 0
Sidana [21]

Answer:

No real solutions

Step-by-step explanation:

Using the quadratic formula, you will end up with a square root of a negative number in the numerator. Hence there is no real solution.

see attached.

4 0
4 years ago
Alex constructs a circle that passes through all three vertices of the triangle shown.
adoni [48]

Answer: A, TRUST ME!

Step-by-step explanation:

4 0
3 years ago
Triangle: 3x-1,4x+1,3x<br> perimeter:70cm<br> area:A2<br> find A
Pepsi [2]

Answer:

A = 210 cm²

Step-by-step explanation:

Perimeter of the triangle = the sum of the sides of the triangle.

70 = (3x - 1) + (4x + 1) + (3x)

70 = 10x  

7 = x     The length of the sides of the triangle are 3x - 1 = 20;  4x + 1 = 29 and                

             3x = 21.

 Looking at the given information, this triangle is a special type of triangle because the area of a triangle is Area = 1/2 bh and you do not know which side is the base and height of the triangle.

Trying a² + b² = c² to see if it is a right triangle.   20² + 21² = 29 ² ; yes it is a right triangle and now we know that the base and height is 20 and 21.   The longest side is the hypotenuse in a right triangle

A = 1/2bh

A = 1/2 (20)(21)

A = 10 · 21

A = 210 cm²

6 0
3 years ago
4 friends evenly divided up a n- slice pizza. One of the friends , Harris, ate 1 fewer slice than he received. How many slices o
LenKa [72]

4 friends evenly dividing up a n - slice pizza

So each one get \frac{n}{4} slices of pizza.

 For example, if n = 12 slice then each friend gets 12/4 = 3 pieces.  If Harris ate one slice less then he ate  \frac{12}{4}-1=3 -1 =  2 pieces.

So the general expression for slices of pizza did Harris eat is

\frac{n}{4}-1


6 0
4 years ago
Read 2 more answers
Millie is converting from pints to gallons. She says "1 gallon is the same as 8 pints, so 2 gallons is the same as 4 pints" is s
Pavlova-9 [17]
No, millie is not correct.
if one gallon = 8 pints, then
two gallons = 16 pints.
8 0
3 years ago
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