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meriva
3 years ago
14

In a class the ratio of boys to girls is 4:3 30% of the boys are left handed.

Mathematics
1 answer:
alex41 [277]3 years ago
6 0
3/10 or 30/100 are left handed boys bc that is 30% converted into a fraction
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What is the answer to the math problem 5+9(2+4)?
IceJOKER [234]

Answer:

59

Step-by-step explanation:

Simplify the following:

5 + 9 (2 + 4)

2 + 4 = 6:

5 + 9×6

9×6 = 54:

5 + 54

5 + 54 = 59:

Answer:  59

6 0
3 years ago
Read 2 more answers
Lines m and n are parallel.<br><br> What is angle 2?<br><br> A. 39<br> B. 57<br> C. 67<br> D. 74
max2010maxim [7]

Answer: The correct answer is option C: 67

Step-by-step explanation: So we have four different lines intersecting at one point or the other and these are lines m, n, s and t. Also lines m and n are parallel, so we shall start from there. If lines m and n are parallel, then angle 74 along line n is equal to angle 9X + 2 along line m {corresponding angles are equal}. Therefore

9x + 2 = 74

9x = 74 - 2

9x = 72

Divide both sides of the equation by 9

x = 8.

Also the angle bounded by the intersection of lines m and s equals 74 {opposite angles are equal} because it’s opposite angle 9x + 2 and it’s also alternate to angle 74.

Looking at angle 5x - 1 along line t, substitute for the value of x

= 5(8) - 1

= 40 - 1

= 39

Therefore if angle 5x - 1 is calculated as 39, observe carefully that lines m, t and s intersect to form a triangle. The angles in the triangle are 39, 74 and S (labeled as angle 2). To calculate angle S,

S + 39 + 74 = 180 {Sum of angles in a triangle equals 180}

S + 113 = 180

Subtract 113 from both sides of the equation

S = 67

Therefore angle 2 equals 67 degrees.

5 0
4 years ago
Which statement about g(x)=x^2-576 is true
Rus_ich [418]

Answer:

Option C.

The zeros, -24 and 24, can be found when 0= (x+24)(x-24).

Step-by-step explanation:

we have

g(x)=x^{2}-576

we know that

To find the zeros, equate the equation to zero

x^{2}-576=0

x^{2}=576

square root both sides

x=(+/-)24

therefore

0=(x+24)(x-24)

3 0
4 years ago
Helpp how do we know if an equation is a linear relation​
antoniya [11.8K]

Answer:

Simplify the equation as closely as possible to the form of y = mx + b. Check to see if your equation has exponents. If it has exponents, it is nonlinear. If your equation has no exponents, it is linear.

Step-by-step explanation:

6 0
3 years ago
If you know that the exact volume of a cylinder is 500 π cm3, how can you find the approximate volume, without knowing the heigh
allsm [11]

Answer:

The approximate volume is 1,570\ cm^{3}

Step-by-step explanation:

we know that

The exact volume of the cylinder is

V=500\pi \ cm^{3}

so

To find the approximate volume of the cylinder, substitute the term \pi by the approximate value of  3.14 and then multiply

so

V=500(3.14)=1,570\ cm^{3}

8 0
4 years ago
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