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
victus00 [196]
3 years ago
13

What is 1.7a+0.3a=4/5??? Halp me plz...

Mathematics
2 answers:
Ray Of Light [21]3 years ago
6 0
<span>1.7a+0.3a=4/5
2a = 4/5
  a = 4/5 * 1/2
  a = 4/10
  a = 2/5</span>
Sunny_sXe [5.5K]3 years ago
3 0

Answer:

The value of a is 2/5.

Step-by-step explanation:

Consider the provided equation.  

1.7a+0.3a=\frac{4}{5}

We need to solve the equation for a.

Add the like terms.

2a=\frac{4}{5}

Divide both the sides by 2.

\frac{2a}{2}=\frac{4}{5\times 2}

a=\frac{2}{5}

Hence the value of a is 2/5.

You might be interested in
One number is 3 times another. If the sum of the two numbers is 15, find the two numbers.
gregori [183]

Answer:

15/4 and 45/4

Step-by-step explanation:

Let x and y be the numbers

x = 3y

x+ y = 15

Substitute the first equation in to the second equation

3y+y = 15

4y = 15

y = 15/4

x = 3(15/4)

x = 45/4

The two numbers are 15/4 and 45/4

8 0
2 years ago
Read 2 more answers
The vertical of three squares are joined to form a right triangle , what is the area of the largest square
lakkis [162]

Answer:

43cm²

Step-by-step explanation:

let's first consider the area of a square.

the area is L² which means all sides are equal so we take the length times the breadth which is both equal because like we said all sides are equal.

so to find the side of the square using the area, we take the square root of both of the area.

\sqrt{25}  = 5

and also

\sqrt{18}  = 4.2

so we have the height of the triangle as 5cm and the base is 4.2cm.

now, from the triangle, since we have two sides and it's a right-angled, we can use Pythagoras' formula.

\sqrt{ {5}^{2}  +  {4.2}^{2} }  = 6.53cm

so the side 6.53cm is also the same side as the largest triangle. Since it's a square, all sides are equal. So we find the area of the largest triangle by using the formula

Area = L²

Area = 6.53²

Area = 42.6cm

the nearest cm square

Area = 43cm²

8 0
2 years ago
Read 2 more answers
Reducing Fractions<br> 30/90
fgiga [73]

Answer: 1/3

<u>Divide</u>

30/90÷30/30=1/3

Since we are simplifying fractions we divide the numerator and the denominator by a number the fraction can go into.

We could use 10 then divide by 3. You can also just divide by 30 and get the answer.

Let's try dividing by 10 then 3!

30/90÷10/10=3/9

3/9÷3/3=1/3

As you can see we still get 1/3 when we divide by 3. Even tho you have to divide twice you still get 1/3. That's all that matters.

3 0
3 years ago
A car traveled 11.5 miles in 15 minutes. How many miles per hour was it traveling?
polet [3.4K]

Answer:

46 miles per hour

Step-by-step explanation:

ِAn hour has 60 minutes. In 60 minutes, there is four 15 minutes (4*15 = 60).

So, if it travelled 11.5 miles in 15 minutes, in an hour, it travelled 11.5 * 4 = 46 miles per hour.

8 0
3 years ago
Read 2 more answers
Solve for the variable b. 5a(b - c ) = d
Liula [17]
5a(b-c)=d. Here, we are trying to isolate the variable b.
Divide both sides by 5a: b-c=d/(5a)
Add c to both sides: b= \frac{d}{5a} +c
3 0
3 years ago
Read 2 more answers
Other questions:
  • Steven has a stamp collection with 32 stamps. Only 1/4 of the stamps are from the United States. How many stamps are from the U.
    7·1 answer
  • Please help me guys I’m having trouble
    9·1 answer
  • What is the y-intercept -x+5y=45
    8·1 answer
  • Find the value of X in the triangle shown below.
    7·1 answer
  • Square root of 24 cubed times square root of 45 cubed
    7·1 answer
  • Find the x- and y-intercept of the line <br> X+4y=36
    7·1 answer
  • A university investigation was conducted to determine whether women and men complete medical school in significantly different a
    12·1 answer
  • Write the Point Slope Form of the line of slope 5 and passing through the point (1, -1)​
    8·1 answer
  • 2x + y = -4<br> x + 4y = 12<br> Solve both for y
    14·1 answer
  • Help pls ............
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!