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bulgar [2K]
3 years ago
10

The ratio of the number of boys to the number of girls in skateboard club is 5 to 4. There are 60 girls in skateboard club. How

many boys are in skateboard club?
Mathematics
2 answers:
OleMash [197]3 years ago
7 0

Answer:

boys:girls

5:4

?:60

multiply 15.

?=75 boys.

Hope it helps.

jarptica [38.1K]3 years ago
6 0

Answer:

Hello there.

5:4

75:60

Step-by-step explanation:

if 60/4=15, multiply 15 with 5.

your answer is 75.

Hope it helps, thank you.

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What is the 10th term for sequence 4; 8; 13; 19; 26​
Mariana [72]

Answer:

40

Step-by-step explanation:

3 0
2 years ago
Which point is an x-intercept of the quadratic function f(x)=(x-4)(x+2)
Mademuasel [1]

Answer:

x = - 2 or x = 4

Step-by-step explanation:

To find the x- intercepts let f(x) = 0, that is

(x - 4)(x + 2) = 0

Equate each factor to zero and solve for x

x - 4 = 0 ⇒ x = 4

x + 2 = 0 ⇒ x = - 2

The x- intercepts are at x = - 2, x = 4

3 0
3 years ago
# 7. X/4=-2.5
lilavasa [31]

Step-by-step explanation:

7. x/4=-2.5

x = -2.5/4= 5/8

8. -22=n/2

n = -22×2 =-44

9. 1/3z = -5

z = -5×3 =-15

10. -1/4x=5/2

-2=5×4x

-2=20x

x=-20x/2=-10

7 0
2 years ago
Using the variable x for unknown number what is five more than the quotient of a number and 6 equals 7
Kitty [74]

Answer:

x = 12

Step-by-step explanation:

"Using the variable x for unknown number what is five more than the quotient of a number and 6 equals 7" translates into  5 + x/6 = 7.

To solve use inverse operations.

5 + \frac{x}{6} = 7\\\\\frac{x}{6} = 2 \\\\ x = 12

8 0
3 years ago
A man is standing at a radar base and observes an unidentified plane at an altitude 6000m flying towards the radar base at an an
liubo4ka [24]

Answer:

The speed in of the plane is 115.47 m/sec

Step-by-step explanation:

Given:

Height at which the plane is flying = 6000 m

Angle of elevation at the radar base = 30 Degrees

Angle of elevation at the radar base after one minute  = 60 Degrees

To Find:

The Speed of the plane in meter per second = ?

Solution:

Let us use the tangent of the angle to find the distance (d) to a point directly below plane:

<u>when the angle is 30 degrees</u>

tan(30) = \frac{6000}{d1}

d1   = \frac{6000}{tan(30)}

d1 = \frac{6000}{0.577}

d1 = 10392.3 meters

<u>when the angle is 60 degrees</u>

tan(60) = \frac{6000}{d2}

d2  = \frac{6000}{tan(60)}

d2  = \frac{6000}{1.732}\\

d2 = 3464.1 meters

<u>distance travelled by aircraft in 1 min is  </u>

=>d1 - d2

=>0392.3 - 3464.1

= 6928.2 m/min

<u>Now converting to m/sec</u>

=>\frac{6928.2}{60}

=>115.47 m/sec

4 0
3 years ago
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