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3 years ago

What is -2¾ as a decimal

Mathematics

2 answers:

gtnhenbr [62]3 years ago

5 0

Answer:

-2 $\frac{3}{4}$ is equal -2.75 as a decimal

Step-by-step explanation:

to take -2 $\frac{3}{4}$ to decimal, we take -2 and put point behind it. by doing so, $\frac{3}{4}$ becomes 300/4=75

Then we have -2.75

ziro4ka [17]3 years ago

5 0

The answer is -2.75
the 2 is a whole number and stays in front of the decimal and 3/4 is .75
throw in a negative sign and boom

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Help&EXPLAIN =============

Serhud [2]

Answer:

circumference=7.85

πd=7.85

d=7.85/π=2.49=2.5ft.

3 0

3 years ago

Brian’s school locker has a three-digit combination lock that can be set using the numbers 5 to 9 (including 5 and 9), without r

andreev551 [17]

The possible digits are: 5, 6, 7, 8 and 9. Let's mark the case when the locker code begins with a prime number as A and the case when the locker code is an odd number as B. We have 5 different digits in total, 2 of which are prime (5 and 7).

First propability:
 $P_A=\frac{2}{5}=40\%$

By knowing that digits don't repeat we can say that code is an odd number in case it ends with 5, 7 or 9 (three of five digits).

Second probability:
 $P_B=\frac{3}{5}=60\%$

5 0

3 years ago

NEED The FULL equation. Will give Brainly. Thank you!

Ghella [55]

Answer:

$\displaystyle \sf h( - 1) = - \frac{ 2}{3}$

Step-by-step explanation:

we are given a function

$\displaystyle \sf h(x) = \frac{2x - 6}{4 {x}^{2} + 8}$

we would like to simplify it for h(-1)

in order to do so

substitute the value of x

$\displaystyle \sf h( - 1) = \frac{2 \cdot - 1- 6}{4 { (- 1)}^{2} + 8}$

by order of PEMDAS

simplify square:

$\displaystyle \sf h( - 1) = \frac{2 \cdot - 1- 6}{4 { ( 1)}^{} + 8}$

simplify multiplication:

$\displaystyle \sf h( - 1) = \frac{ - 2 - 6}{4 { }^{} + 8}$

simplify addition:

$\displaystyle \sf h( - 1) = \frac{ - 2 - 6}{12}$

simplify subtraction:

$\displaystyle \sf h( - 1) = \frac{ - 8}{12}$

reduce fraction:

$\displaystyle \sf h( - 1) = - \frac{ 2}{3}$

5 0

3 years ago

Solve please, Thanks.

nataly862011 [7]

Answer:

i dont get it

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Indicate the equation of the given line in standard form.The line containing the median of the trapezoid whose vertices are R(-1

maxonik [38]

RS => y - 5 = (8 - 5)/(1 - (-1)) (x - (-1))
y - 5 = 3/2 (x + 1) => slope = 3/2
ST => y - 8 = (-2 - 8)/(7 - 1) (x - 1)
y - 8 = -10/6 (x - 1) = -5/3 (x - 1) => slope = -5/3
TU => y - (-2) = (0 - (-2))/(2 - 7) (x - 7)
y + 2 = 2/5(x - 7) => slope = 2/5
UR => y = 5/(-1 - 2) (x - 2)
y = -5/3 (x - 2) => slope = -5/3

The median is the line joining the midpoints of the non-parallel sides.
Midpoint of RS = ((-1 + 1)/2, (5 + 8)/2) = (0, 13/2)
Midpoint of TU = ((7 + 2)/2, -2/2) = (9/2, -1)

Equation of the line joining (0, 13/2) and (9/2, -1) is given by y - 13/2 = (-1 - 13/2)/(9/2) x
y - 13/2 = (-15/2)/(9/2) x
y - 13/2 = -15/9x
18y - 117 = -30x
30x + 18y = 117

7 0

3 years ago

What is -2¾ as a decimal​

What is -2¾ as a decimal