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Troyanec [42]
3 years ago
15

Please help me idk this

Mathematics
2 answers:
Sergio [31]3 years ago
4 0
First take the fractions and find their common denominator:
\frac{1}{2} x 4 =\frac{4}{8}

Now you can add the fractions:
\frac{4}{8} + \frac{1}{8} = \frac{5}{8}

Now add your whole numbers and the fraction:
1+1= 2 >> 2+\frac{5}{8} = 2\frac{5}{8} yards

Now subract 2\frac{5}{8} from 5:
5-2\frac{5}{8} =2\frac{3}{8} yards
harina [27]3 years ago
3 0
First, we add the amounts she used.

1 1/2 + 1 1/8
We need a common denominator for the fractions. It is 8.

1 1/2 + 1 1/8 = 1 4/8 + 1 1/8 = 2 5/8

She used 2 5/8 yd.

Now we subtract 2 5/8 yd from 5 yd to find out how much she has left.

5 - 2 5/8

There is no fraction with the 5, so we borrow 1 from 5, leaving 4, and we write the 1 as fraction 8/8. Then we subtract the whole numbers, and we subtract the fractions.


5 - 2 5/8 = 4 8/8 - 2 5/8 = 2 3/8

Answer: She has 2 3/8 yd left.
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Please help me with this thanks
Kryger [21]

Step-by-step explanation:

B = area of the base

= 9×4 = 36 square inches

P= perimeter of the base

= 2(9+4)

=2×13= 26 inches

H =distance between the bases

= 16 inches

SA= 2B+PH

= 2(36)+ 26× 16

= 72+416 = 488 square inches

8 0
3 years ago
Jolie is thinking of two numbers. the first number is three more than twice the second number. the sum of the two numbers is 22.
larisa86 [58]
X + y = 22
x = 2y + 3

this would be ur system of equations
6 0
3 years ago
What is (3.5×10)÷(7×10^-9)?<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3.5%20%5Ctimes%2010%7D%7B7%20%5Ctimes%20%20%7B10%7
Brilliant_brown [7]

Answer:

5 * 10^18

Step-by-step explanation:

(3.5×10)÷(7×10^-9)

= (3.5 / 7) / 10^(10+9)

= 0.5 * 10^19

= 5 * 10^18

6 0
3 years ago
Read 2 more answers
What is the solution of the simultaneous equations 3x 2y 14 and 4x 3y 13?.
lara31 [8.8K]

The solution of simultaneous equations is x=4 and y = -1.

<h3>What are Simultaneous equations?</h3>

Simultaneous equations are two or more algebraic equations with the same unknown variables and the same value of the variables satisfies all such equations.

We can solve simultaneous equations by various methods. here we will solve it by elimination method.

Here we have two simultaneous equations

      3x -2y = 14 --- (i)

and 4x + 3y = 13---(ii)

Now multiplying (i) by 3 and (ii) by 2 we get

 9x -6y = 42 and 8x + 6y = 26.

Now adding both we get

17x = 68 ⇒ x = 68/17 ⇒ x = 4.

Substituting the value of x in (i), we get

3*4 - 2y = 14 ⇒ -2y = 14-12 = 2 = -2/2 ⇒ y = -1.

Therefore, the values of x and y are 4 and -1 respectively .

To know more about simultaneous equations, visit

brainly.com/question/16863577

#SPJ4

<u>NOTE</u> : The question given here is not complete. The complete question is given below.

Question: What is the solution of the simultaneous equations 3x- 2y= 14 and 4x+ 3y= 13?.

6 0
11 months ago
Simplify the expression. Write the answer using scientific notation.
tiny-mole [99]

9 \times  {10}^{5}  \times 3 \times  {10}^{10}   = 27 \times  {10}^{15}  = 2.7 \times  {10}^{16}
3 0
3 years ago
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