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2 years ago

Please help me I dont get this # 25 and 23 D:

Mathematics

1 answer:

jenyasd209 [6]2 years ago

8 0

23. 2/3= 0.66 repeating Answer: 98.66 repeating

25. 26.2 = 26 and 2/10 Answer: 26 and 2/10 or 262/10

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Can someone please help me

Brrunno [24]

Hmmmm...... Are you a 6th grader? I remember doing these in 6th grade.

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3 years ago

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Whats 21/40 in equivalent decimals

GREYUIT [131]

The equivalent decimals for 21/40 is 0.525

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2 years ago

Plzzz guys help I'm so confused

GalinKa [24]

Answer:

y = 320,000 ( 1.048 ) ^x

x = number of years

(the ^ before the x symbolizes "to the power of," but I can't do that on my keyboard)

Step-by-step explanation:

formula i used:

A = amount that you start with

t = amount of years / time

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2 years ago

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What is the inequality -26

lilavasa [31]

-26 is not an inequality. It's just a number. Maybe there was
another part of it that you forgot to copy.

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2 years ago

Write an equation of the perpendicular bisector of the line segment whose endpoints are (−1,1) and (7,−5)

icang [17]

The equation is $y = \frac{3}{2} x - \frac{11}{2}$

Explanation:

We have to first find the mid-point of the segment, the formula for which is

$(\frac{x_1+x_2}{2} , \frac{y_1+y_2}{2} )$

So, the midpoint will be $(\frac{-1+7}{2} , \frac{1-5}{2} )\\\\$

= $(3,-2)$

It is the point at which the segment will be bisected.

Since we are finding a perpendicular bisector, we must determine what slope is perpendicular to that of the existing segment. To determine the segment's slope, we use the slope formula $\frac{y_2-y_1}{x_2-x_1}$

The slope is $\frac{-5-1}{7+1}$ = $-\frac{2}{3}$

Perpendicular lines have opposite and reciprocal slopes. The opposite reciprocal of $-\frac{2}{3}$ is $\frac{3}{2}$

To write an equation, substitute the values in y = mx + c

WHere,

y = -1

x = 3

m = 3/2

Solving for c:

$-1 = \frac{3}{2} X 3 + c\\\\-1 = \frac{9}{2}+c\\ \\c = \frac{-2-9}{2} \\\\c = \frac{-11}{2}$

Thus, the equation becomes:

$y = \frac{3}{2} x - \frac{11}{2}$

7 0

2 years ago