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3 years ago

Need some help with the question

Mathematics

2 answers:

Artist 52 [7]3 years ago

6 0

i’m doing big ideas too smh. you will keep change flip. and change them to an improper fraction.

so improper fraction times (flipped) other fraction

serg [7]3 years ago

4 0

9 4/5 = 49/5

3 1/2 = 7/2

49/5 * 2/7 = 14/5

14/5 = 2 4/5

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The sum of one–half a number and two-thirds the number is equal to twenty-five less than twice the number.

Savatey [412]

Answer: $\frac{1}{2}$ x + $\frac{2}{3}$ x = 2x - 25

Step-by-step explanation:

First, let's analyze the phrase "the sum of one-half and two-thirds the number". This would translate to:

$\frac{1}{2}$ x + $\frac{2}{3}$ x

Then it says the last part of the expression is "twenty five less than twice the number"

2x - 25

Then, equal the two parts of the equation to each other.

$\frac{1}{2}$ x + $\frac{2}{3}$ x = 2x - 25

Hope this helps! :)

4 0

1 year ago

Which of the following is a correct interpretation of the expression 6 - 136−, minus, 13?

Darina [25.2K]

Answer:

(Choice A)

Start at 131313 on the number line and move 666 to the left.

Step-by-step explanation:

6 0

3 years ago

Given points A (-3,-4) and B (2,0), points P (-1,-12/5) partitions line AB in the ratio

kvv77 [185]

$\bf \begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
&A&(~ -3 &,& -4~) 
&P&(~ -1 &,& -\frac{12}{5}~)
\end{array}
\\\\\\
d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2}
\\\\\\
AP=\sqrt{[-1-(-3)]^2+[-\frac{12}{5}-(-4)]^2}
\\\\\\
AP=\sqrt{(-1+3)^2+(-\frac{12}{5}+4)^2}\implies AP=\sqrt{2^2+\left( \frac{8}{5} \right)^2}
\\\\\\
AP=\sqrt{4+\frac{64}{25}}\implies AP=\sqrt{\cfrac{164}{25}}\implies AP=\cfrac{\sqrt{164}}{\sqrt{25}}
\\\\\\
\boxed{AP=\cfrac{2\sqrt{41}}{5}}$

$\bf \begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
&P&(~ -1 &,& -\frac{12}{5}~) 
&B&(~ 2 &,& 0~)
\end{array}
\\\\\\
PB=\sqrt{[2-(-1)]^2+[0-\left(-\frac{12}{5} \right)]^2}
\\\\\\
PB=\sqrt{(2+1)^2+\left( \frac{12}{5} \right)^2}\implies PB=\sqrt{9+\frac{144}{25}}\implies PB=\sqrt{\cfrac{369}{25}}
\\\\\\
PB=\cfrac{\sqrt{369}}{\sqrt{25}}\implies \boxed{PB=\cfrac{3\sqrt{41}}{5}}$

so, let's check the ratio of AP:PB

$\bf AP:PB\implies \cfrac{AP}{PB}\implies \cfrac{\frac{2\sqrt{41}}{5}}{\frac{3\sqrt{41}}{5}}\implies \cfrac{2\underline{\sqrt{41}}}{\underline{5}}\cdot \cfrac{\underline{5}}{3\underline{\sqrt{41}}}\implies \cfrac{2}{3}$

7 0

3 years ago

IDK the answer tried alot of times

bagirrra123 [75]

Answer:

1.8

Step-by-step explanation:

$1 \frac{2}{25} = 1.08 \\ 1.08 \div 0.6 = 1.8$

4 0

3 years ago

Maribel deposited $1,500 in a new account at her bank. -The bank pays 4.5% annual simple interest on this account. -Maribel did

Viktor [21]

Answer:

1500+337.50 = $1,837.5

Step-by-step explanation:

You want to calculate the interest on $1500 at 4.5% interest per year after 5 year(s).

The formula we'll use for this is the simple interest formula, or:

Where:

P is the principal amount, $1500.00.

r is the interest rate, 4.5% per year, or in decimal form, 4.5/100=0.045.

t is the time involved, 5....year(s) time periods.

So, t is 5....year time periods.

To find the simple interest, we multiply 1500 × 0.045 × 5 to get that:

The interest is: $337.50

7 0

3 years ago