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
OLEGan [10]
3 years ago
12

Two fifths of d is subtracted from 7

Mathematics
1 answer:
Schach [20]3 years ago
3 0

Answer:

See Below

Step-by-step explanation:

\frac{2}{5} -7

First, let's make 7 into an improper fraction

7x5 =35

2/5 - 35/5 = -33/5

You might be interested in
Here is a flower made up of yellow hexagons, red trapezoids, and green triangles.
Law Incorporation [45]

Answer: Part a) You could build 5 copies of the flower pattern  

Part b) You would have 40 red trapezoids left over

Step-by-step explanation:

The complete question in the attached figure

Part a)

Let

x -----> the number of yellow hexagons

y ----> the number of red trapezoids

z ----> the number of green triangles

we know that

The flower pattern has the following ratios

\frac{x}{y}=\frac{6}{2} ----\frac{x}{y}=3 ---- \text {equation A}

\frac{x}{z}=\frac{6}{9} --\frac{x}{z}=\frac{2}{3} -- \text {equation B}

\frac{y}{z}=\frac{2}{9} ------ \text {equation C}

Find out how many copies of this flower pattern could you build if you had 30 yellow hexagons,50 red trapezoids, and 60 green triangles

1) For x=30

Divide 30 by 6 (remember that in one pattern there are 6 yellow hexagons)

30/6=5\ copies

Verify the quantity of y needed and the quantity of z needed

Find the value of y

\frac{30}{y}=3 ----y=30/3=10\\

10 < 50 ----> is ok

Find the value of z

\frac{30}{z}=\frac{2}{3} --- z=30*3/2=45

45<60 --->is ok

2) For y=50

Divide 50 by 2 (remember that in one pattern there are 2 red trapezoids)

50/2=25\ copies

Verify the quantity of x needed and the quantity of z needed

Find the value of x

\frac{x}{50}=3 ----x=50*3=150

150 > 30 ----> is not ok

3) For z=60

Divide 60 by 9 (remember that in one pattern there are 9 green triangles)

60/9=6.7 copies

Round down

6 copies -----> 6(9)=54 green triangles

Verify the quantity of x needed and the quantity of y needed

Find the value of x

\frac{x}{54}=\frac{2}{3} --- z=54*2/3=36

36> 30 --->is not ok

therefore

You could build 5 copies of the flower pattern

Part b)

we know that

x:y:z=6:2:9

If you build 5 copies

1) You would use 5*6=30 yellow hexagons and you would have 0 hexagons left over

2) You would use 5*2=10 red trapezoids and you would have (50-10=40) trapezoids left over

3) You would use 5*9=45 green triangles and you would have (60-45=15) triangles left over

therefore

You would have 40 red trapezoids left over

3 0
4 years ago
If f(x) = 2x + 2 and g(x) = x2 - 1, find (f - g)(x).
Mars2501 [29]

Answer:

  -x∧2+2x+3

Step-by-step explanation:

(2x+2)-(x2-1)

2x+2-x2+1

-x2+2x+3

6 0
4 years ago
Read 2 more answers
What is the domain of the finction f(x)= x^s
Drupady [299]

Answer:

undefined

Step-by-step explanation:

5 0
3 years ago
how can you copy a line segment using a straightedge, a compass, and a pencil, give step by step instructions
GuDViN [60]
You can can copy a line segment by making sure the line is straight
7 0
3 years ago
What is mass in Science
asambeis [7]
Mass in science is like weight. Everything is basically mass, you are mass!
4 0
3 years ago
Read 2 more answers
Other questions:
  • 30 POINTS!!!!
    7·1 answer
  • To work backwards to find realized income needed from a given mortgage payment amount, you use _____.
    8·2 answers
  • What's an equivalent ratio to 12:10 ? ( explain also too please! :D )
    7·2 answers
  • Calculate the average rate of change of the given function over the given interval. Where appropriate, specify the units of meas
    5·1 answer
  • Guys I need the right answer ASAP look at the pic and find the surface area the options are
    12·1 answer
  • A coffee pot holds 3 3/4 quarts of coffee. How much is this in cups
    14·2 answers
  • A company plans to reduce the amount of energy used each year. This table shows the company's plan.
    10·1 answer
  • Convert the rational number into an equivalent rational number with the given numerator 3/5=12/□
    5·2 answers
  • Which letter has horizontal not vertical symmetry H, W, Y, E
    7·2 answers
  • Q. 16 please help to solve
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!