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3 years ago

11

I’m having problems with these type of problems

1 answer:

castortr0y [4]3 years ago

4 0

Answer: x=-5 or x=2

Step-by-step explanation:

x^2+3x-10=0

x^2+5x-2x-10=0

x(x+5)-2(x+5)=0

(x+5)(x-2)=0

x+5=0 or x-2=0

x=-5 or x=2

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Papessa [141]

Answer:

21 times

Step-by-step explanation:

Given

$P(3) = 50 \%$

$n =42$

Required

The least number of times to land on 3

This is calculated using:

$Least = n * P(3)$

$Least = 42 * 50\%$

$Least = 21$

4 0

2 years ago

Find the value of x in the triangle shown below.<br> x = ___°

blagie [28]

I think x= 70 rights

5 0

3 years ago

Consider the line y=5/7x+7. Find the equation of the line that is parallel to this line and passes through the point (-5,-2). Fi

butalik [34]

Step-by-step explanation:

m=5/7

m1=m2=5/7

L;y-(-2)=5/7(x-(-5)

y+2=5/7(x+5)

7y+14=5X+25

7y-5x=11 is parallel lines

m1*m2=-1 is perpendicular lines

m2=-1*7/5

m2=-7/5

L;y+2=-7/5(x+5)

5Y+10=-7x-35

5y+7x=-45 is perpendicular lines

5 0

3 years ago

√200 in consecutive integers and in simplified form

myrzilka [38]

√200 = √2·100 = √2 · √100 = 10√2

4 0

3 years ago

What is 2(4+39) in a solved equation

BartSMP [9]

2(4+39) = 39 + 4 = 43
43 x 2 = 86

8 0

3 years ago

Read 2 more answers