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
k0ka [10]
3 years ago
13

PLZZZ HELP DUE BY MIDNIGHT

Mathematics
1 answer:
trapecia [35]3 years ago
4 0

Answer: (i) 4x - 40 = 76

(ii) 29 questions

Step-by-step explanation:

Let the total number of questions be x.

Since he received 4 points for every correct answer and he got 10 answers wrong , this means he lost 40 points , the equation thus become

4x - 40 = 76

To find the value of x , add 40 to both sides

4x = 116

divide through by 4

x = 29

Therefore , there are 29  questions on his math test

You might be interested in
The total cost C dollars, that a shop charges to print T shirts C = 45 + 7n , is the number of shirts ordered. Coach Dell paid 2
Lesechka [4]

Answer:

i think the answer is 23

Step-by-step explanation:

well the equation says c=45+7n so the total cost is 206 . i subtracted 45 from 206 leaving me with 161 then i divided that by 7 leaving me with 23

8 0
3 years ago
a student achieved the following grades on his tests :87,95 ,76 and 88 percent . he wants 85 percent or better overall . what gr
m_a_m_a [10]

Answer:

Step-by-step explanation:

87+95+76+88+x/5=85

346+x=85x5

x=425-346

x=79

4 0
3 years ago
Read 2 more answers
Which of the following expressions is equal to 5^6/5^2
Natali5045456 [20]

Answer:

\dfrac{5^6}{5^2} = 5{\cdot}5{\cdot}5{\cdot}5

Step-by-step explanation:

The given expression is :

\dfrac{5^6}{5^2}

We need to find this expression is equal to what.

\dfrac{5^6}{5^2}=\dfrac{5^4\times 5^2}{5^2}\\\\=5^4\\\\=5\times 5\times 5\times 5\\\\\text{or}\\\\=5{\cdot}5{\cdot}5{\cdot}5

Hence, \dfrac{5^6}{5^2} is equal to 5{\cdot}5{\cdot}5{\cdot}5. Hence, the correct option is (c).

5 0
3 years ago
At the craft store, Tara bought 12 yards of fabric to make tote bags. Each bag requires 1.25 yards of fabric. If Tara makes 5 to
matrenka [14]

Answer:

5.75 yds left

Step-by-step explanation:

1.25 yds per bag*5 bags =6.25 yds used

She had 12 yds

12-6.25 =5.75

She has 5.75 yds left

5 0
2 years ago
Evaluate (mn)(x) for x = - 3.<br> (mn)(-3) =
liubo4ka [24]

Answer:

-3mn

Step-by-step explanation:

It seems you might be missing some of the question, as you haven't given what m and n are equal to.

If the question has just given you x, then you would simply just simplify it to get -3mn.

6 0
3 years ago
Read 2 more answers
Other questions:
  • What is 4001/4 worked out?
    9·2 answers
  • Write the number in two forms 15409
    11·1 answer
  • Find the slope of a line parallel to 3x-y=1<br><br> A:3<br><br> B: -1/3<br><br> C: -3<br><br> D: 1/3
    6·2 answers
  • Can someone please help me?????!!!!
    12·1 answer
  • Stephanie weighs 3 times as much as Rachel. Both weights are whole numbers and the sun of their weights is less than 160 pounds.
    14·1 answer
  • Assuming that a 90° arc has an exact length of , find the length of the radius of the circle.
    10·1 answer
  • (a) Jasmine ran 55 miles in 4242 minutes. Part A At what rate did Jasmine run? ​Jasmine ran at a rate of minutes per mile. ​Part
    11·1 answer
  • The breakfast special served at Pancake Heaven includes 2 eggs and 1 waffle. Last week, 333 people were served the breakfast spe
    12·1 answer
  • Carol has a choice of an account that compounds quarterly and an account that compounds daily.
    15·1 answer
  • B is the midpoint of AC. if ac =10 and BC =x+1 find the value of x
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!