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Lerok [7]
3 years ago
15

Alejandro looked at his first three science tests for the quarter. His scores are represented in different ways. Test 1 number o

f correct questions is 21, number of total questions is 25 what is the percent correct. Test 2 number of correct questions is 17, what is the number of total questions and the percent correct is 85%. Test 3 what is the number of correct questions, number of total questions is 30 and the percent correct is 80%. Determine all missing values for the table above. Show your work in the space below.
Mathematics
1 answer:
hodyreva [135]3 years ago
4 0
He would have gotten 24 right out of 30 questions to get 80% on his 3rd test

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3 years ago
What is the product (x-3)(2x^2-5x + 1)
Reika [66]
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4 0
3 years ago
Find the area of a parallelogram with base b and height h. b = 87 cm h = 18.6 cm A.105.6 cm2 B.2 211.2 cm2 C809.1 cm2 D1,618.2 c
Bingel [31]
I hope this helps you


Area of parallelogram =base×height


Area =87×18,6


Area =1618,2
5 0
4 years ago
1). If the discriminant of a quadratic equation is 28 describe the roots
Ganezh [65]
1)B two real roots.
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6 0
4 years ago
Read 2 more answers
A car travels 21 km in 16 minutes. What is its average speed in km/h?
bekas [8.4K]

Answer:

78.6km/h

Step-by-step explanation:

<em><u>Speed=distance÷time</u></em>

<u>distance</u>=21km

<u>time</u>=16 minutes<u>(convert into hour by dividing it</u> <u>with 60)</u>

=16÷60=0.267

Speed=21÷0.267=78.65km/h

speed =  \frac{distance }{time}

speed =  \frac{21}{0.267}  = 78.6km(h

6 0
3 years ago
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