1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Tresset [83]
3 years ago
9

Bradley answered 80% of the questions on his science test correctly. There were 30 questions on the test, and all the questions

had equal value. How many questions did Bradley answer correctly on his test?
Mathematics
2 answers:
son4ous [18]3 years ago
8 0

Answer:

24 correct questions

Step-by-step explanation:

weqwewe [10]3 years ago
6 0
Multiply 30 by 80% - or 0.8.
The resulting number is how many questions he got right.
Subtract that number from the total of 30, and you'll know how many he got wrong.
You can also do it as a fraction - 80% out of 100% is 80/100, or 4/5. So he got 4/5 right and 1/5 wrong.
30 multiplied by 1/5 is the same as 30 divided by 5. So 30 divided by 5 will be how many questions he got wrong.
You might be interested in
3+4(10-8)? I have to simplify
alisha [4.7K]
Hi so you start with PEMDAS wich means parenthesis exponents multiply divide add and subtract so that's the order. 
so we start with the order so its parenthesis so 10 minus 8 is to and are the question now looks like this: 3 + 4 2 
Now when are two numbers together and they don't have a sign we multiplied together.
it looks like 3+4x2
Now we multiply because we follow the rule.
now it looks like this: 3+8
Now 3 plus 8 is 11 so your answer is 11
Hope I had helped.
8 0
3 years ago
Read 2 more answers
-10b + 5 = 7b + 5 .<br> ANSWER ASAP<br> Show step by step on paper please.
Lynna [10]

Answer:

your answer should be b= 17

3 0
3 years ago
In right triangle DEF, ∠E is a right angle, m∠D=26∘, and DF=4.5.
SVEN [57.7K]
The measurement of EF is EF=5.9
7 0
3 years ago
for the decimal 0.555 the value of the digit in the tens place is how many times as much as the value of the digit in the thousa
NNADVOKAT [17]
The value of the digit in the tens place is 100 times as much as the value of the digit in the thousands place.
7 0
3 years ago
Read 2 more answers
How many Times can 20 be divided.
natali 33 [55]
20 can be divided by 2 twice, with 5 remaining

20 can be divided by 4 once, with 5 remaining

20 can be divided by 5 once, with 4 remaining

20 can be divided by 10 twice

20 can be divided by 20 once

hope this helps
6 0
4 years ago
Other questions:
  • Mika has completed 5 birdhouses that is 25% of the number of birdhouses she wants to build
    11·1 answer
  • I need help on this question please
    6·1 answer
  • X2 + 4x + xy + 4y<br> Whats the answer for this?
    7·1 answer
  • Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre
    5·1 answer
  • What is the inverse of the function y=x^2 - 12
    7·1 answer
  • Two numbers that multiply to 16 and add to negative 8
    14·1 answer
  • F(x)=-2/9x1/3 what is the intercept
    9·2 answers
  • You are shoveling snow from the sidewalks around your neighborhood after a big snowstorm. You work at a steady rate, shoveling 1
    13·1 answer
  • Farid performed a chemistry experiment in which he divided 2/3 of a box of baking soda evenly among 4 bottles. He then added vin
    5·1 answer
  • Question is in the photo.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!