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3 years ago

12

Isabel spends 3/8 of her homework time on reading. What is 3/8 as a decimal and as a percent

1 answer:

Degger [83]3 years ago

5 0

Decimal: 0.375
Percent: 37.5%

Explanation: To find the decimal version of 3/8, you just divide the numerator and the denominator. Ex. 3 ÷ 8=0.375
For the percentage, you can multiply the decimal version by 100 to get the percentage. Ex. 0.375x100=37.5%
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A rectangle is 2 meters wide and 6 times as long as it is wide. Find the area and perimeter

Anna [14]

<u>PERIMETER</u>

Answer:

Answer is 28 m

Step-by-step explanation:

Breadth= 2m

Length= 2X6m

= 12m

Perimeter of a rectangle = 2X (Length+ Breadth)

= 2X (2+12)

= 2X14

= 28m

<u>AREA</u>

Answer:

Answer is 24 m

Explanation:

Length= 12

Breadth= 2

Area of a rectangle= Length X Breadth

= 12X2

= 24 sq. m

Hope it helps ;)

Please mark as brainliest!

4 0

2 years ago

A radio station had 170 tickets to a concert. They gave away 4 times as many tickets to listeners as to employees. How many tick

never [62]

Employees: 34

170÷4x +1x
170=5x
34=x

1x=34 Employees 4x= 136 Listeners

5 0

3 years ago

Solve the system of equations by transforming a matrix representing the system of equation into reduced row echelon form.

Gekata [30.6K]

Take the augmented matrix,

$\left[\begin{array}{ccc|c}2&1&-3&-20\\1&2&1&-3\\1&-1&5&19\end{array}\right]$

Swap the row 1 and row 2:

$\left[\begin{array}{ccc|c}1&2&1&-3\\2&1&-3&-20\\1&-1&5&19\end{array}\right]$

Add -2(row 1) to row 2, and -1(row 1) to row 3:

$\left[\begin{array}{ccc|c}1&2&1&-3\\0&-3&-5&-14\\0&-3&4&22\end{array}\right]$

Add -1(row 2) to row 3:

$\left[\begin{array}{ccc|c}1&2&1&-3\\0&-3&-5&-14\\0&0&9&36\end{array}\right]$

Multiply through row 3 by 1/9:

$\left[\begin{array}{ccc|c}1&2&1&-3\\0&-3&-5&-14\\0&0&1&4\end{array}\right]$

Add 5(row 3) to row 2:

$\left[\begin{array}{ccc|c}1&2&1&-3\\0&-3&0&6\\0&0&1&4\end{array}\right]$

Multiply through row 2 by -1/3:

$\left[\begin{array}{ccc|c}1&2&1&-3\\0&1&0&-2\\0&0&1&4\end{array}\right]$

Add -2(row 2) and -1(row 3) to row 1:

$\left[\begin{array}{ccc|c}1&0&0&-3\\0&1&0&-2\\0&0&1&4\end{array}\right]$

So we have $\boxed{x=-3,y=-2,z=4}$ .

3 0

3 years ago

Rama09 [41]

Answer:

m∠AOB=139°

Step-by-step explanation:

m∠AOB+m∠BOC=180°

m∠AOB=8x+51°

m∠BOC=6x-25°

~

$\tt 8x+51+6x-25=180$

$\tt 14x+26=180$

$\tt 14x=180-26$

$\tt \cfrac{14x}{14} =\cfrac{154}{14}$

$\tt x=11$

m∠AOB:-

$\tt 8(11)+51$

$\tt =88+51$

$\tt =139^{o}$

Therefore, m∠AOB=139°

7 0

2 years ago

Which is the BEST revision of this sentence? People, who are listening to their ipods while running are actually endangering the

____ [38]

Answer:C

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers