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
Brums [2.3K]
3 years ago
13

If the sum of x and y is 90 and y is 6 more than four times x, which of the following systems of equations could be used to solv

e for x and y?
A.x+y=90
x−4y=6

B.x+y=90
4x−y=−6

C.x+y=90
6x−y=−4

D.x+y=90
4x−y=6
Mathematics
1 answer:
marishachu [46]3 years ago
8 0

Answer:

B

Step-by-step explanation:

x + y =90

y= 4x +6

_______

x + y = 90

4x − y = -6

You might be interested in
Simplify the following expression:<br><br> 5 + (b + 2)<br><br> What is the answer?
dolphi86 [110]

Answer:

5 + ( b + 2)

5 + b + 2

5 + 2 + b

7 + b

8 0
3 years ago
HELP PLEASE<br> Find 33/4 x 21/3. All answers must be in lowest terms
eimsori [14]

\frac{231}{4} ✅

<u>Step</u>-<u>by</u>-<u>step</u> <u>explanation</u>:

\frac{33}{4}  \times  \frac{21}{3} \\  =   \frac{11 \times 21}{4}  \\  =  \frac{231}{4}

<u>Note</u>:-

  • A fraction is said to be written in its lowest form if its numerator and denominator are prime, that is, they have no common factors other than 1.

\large\mathfrak{{\pmb{\underline{\orange{Happy\:learning }}{\orange{!}}}}}

6 0
3 years ago
The mean height of the students in Marta's class is 60 in. There are 18 students in her class. Write and Solve and equation to f
Mashcka [7]

Solution: Let x be the height of a student in Marta's class.

The mean height of 18 students in Marta's class is 60 inches

We know that:

Mean = \frac{\sum x_{i}}{n}

60 = \frac{\sum x_{i}}{18}

60 \times 18 = \sum x_{i}

\sum x_{i} = 1080

Therefore, the total measure of all 18 student's heights is 1080 inches


6 0
3 years ago
The sum of a number and 6 is greater than 76 write an inequality
IrinaVladis [17]

Answer:

x+6>76

Step-by-step explanation:

sum is adding

greater than is >

6 0
2 years ago
3. A utility pole is 38 ft tall. The pole creates a 53 ft shadow. What is the angle of elevation of the sun? Round your answer t
dybincka [34]

Answer:

The angle of elevation of the sun is 36\degree.

Step-by-step explanation:

Let x be the angle of elevation of the sun as shown in the diagram.


Then the side length which is 38 feet is opposite to x and the side length which is 53 feet is adjacent to x.


Therefore we use the trigonometric ratio that involves the opposite and adjacent sides, which is the tangent ratio.


\tan x=\frac{38}{53}


\Rightarrow \tan x=0.71698


We solve for x to get,


x=\arctan (0.71698)


\Rightarrow x=35.63981


To the nearest degree, the angle of elevation is 36\degree







4 0
3 years ago
Other questions:
  • 100 members of a Gym are surveyed. The results are shown below. Given the gym member chosen at random is a female, what is the p
    14·1 answer
  • Can someone answer this for me pls!!!! 40 points!!
    10·1 answer
  • What is the value of f? <br> 6f-12= -4f+6
    8·1 answer
  • Which statement is true for the values of Pand Q on this number line? + Q + -2 1 -4 -3 0 1 A 응 4 B. PxQ5 C P+Q&gt; -4 D P - Qo​
    6·1 answer
  • PLEASE HELP I WILL BRAINLIST
    10·1 answer
  • 5 = 500e^-0.00043(t)
    13·2 answers
  • Which shows the simplified form of the expression below? 90y^4-120y-360y^3+30y^2
    5·1 answer
  • Please help solve and explain this thank you
    12·1 answer
  • The length of a rectangle is 4 meters less than twice it's width. the area of the rectangle 70 find the dimensions of the rectan
    5·1 answer
  • What is the remainder when x^3 - 1 is divided by (x + 2)?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!