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lana66690 [7]
3 years ago
11

2. Jamie is the starting pitcher for his baseball team. The coach recorded the number of pitches he threw in one game. Each pitc

h is either a ball, strike or hit.
(a) The coach recorded that 54 pitches, or 60%, were strikes. What is the total number of pitches that Jaime threw in this game? (3 pts – 2 for answer, 1 for showing work)

(b) If 60% of the pitches were strikes and 10% of the pitches were balls, how many hits did the pitcher throw? (3 pts – 2 for answer, 1 for showing work)

(c) What is the number of pitches that were either a ball or a strike? (3 pts – 2 for answer, 1 for showing work.
Mathematics
1 answer:
ira [324]3 years ago
7 0

Answer:

90

Step-by-step explanation:

your question is 54 is 60% of

what number?

if 54 is 60% of a number:

54/3=18.

18*5=90

90 is your answer

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Algebra! Please help and explain it.
kenny6666 [7]

Answer:

Part of mathematics in which letters and other symbols are used to represent numbers and quantities in formula and equation   Algebra is one of the broad parts of mathematics, together with number theory, geometry and analysis

Step-by-step explanation:

3 0
3 years ago
A basketball court is in the shape of a rectangle. It has a length of (x - 7) meters and a width of (x + 3) meters:
Molodets [167]

Answer:

x2 - 4x - 21

Step-by-step explanation:

Area = (x -7 )(x +3)

= x*x - 7*x + x*3 - 7*3

=x2 - 4x - 21

5 0
3 years ago
Given: ΔABC. If ∠B = 35°, a = 4.5 cm, and b = 6.0 cm, what is the measurement of ∠A to the nearest tenth of a degree?
soldier1979 [14.2K]
We know that

the law of sines established 
a/sin A=b/sin B--------sin A=[a*sin B]/b
a=4.5 cm
b=6 cm
B=35°
so
sin A=[4.5*sin 35°]/6-----> sin A=0.43018
A=arc sin(0.43018)-------> A=25.5°

the answer is the option
<span>C) 25.5° </span>


6 0
3 years ago
Erin needs to save a total of $150, she already has $80. What is the fewest number of hours she will need to work if she earns $
harkovskaia [24]
80 divided by 15 Is =5.333333 which I don’t know how to round it but it would be around 5 at least
8 0
3 years ago
Match the solid figure to the appropriate formula.
AlekseyPX

1. L \cdot A=\pi r l        -       Cone

2. V=\frac{4}{3} \pi r^{3}         -        Sphere

3. T \cdot A=2 \pi r h+2 \pi r^{2} - Cylinder

4. V=\frac{1}{3} B h         -        Pyramid

5. L . A=p h         -        Prism

Solution:

1. L \cdot A=\pi r l

Lateral surface area of cone = \pi r l

where r is the radius of the cone and l is the slant height of the cone.

2. V=\frac{4}{3} \pi r^{3}

Volume of sphere = \frac{4}{3} \pi r^{3}

where r is the radius of the sphere.

3. T \cdot A=2 \pi r h+2 \pi r^{2}

Total surface area of cylinder = 2 \pi r h+2 \pi r^{2}

where r is the radius of the cylinder and h is the height of the cylinder.

4. V=\frac{1}{3} B h

Volume of pyramid = \frac{1}{3} B h

where B is the base area of the pyramid and h is the height of the pyramid.

5. L . A=p h

Lateral surface area of prism = p h

where p is the perimeter of the base and h is the height of the prism.

4 0
3 years ago
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