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3 years ago

9

Jody made 10 party invitations. yesterday she mailed 4 of them. what decimal represents the number of invitations that have been

mailed

1 answer:

valkas [14]3 years ago

7 0

0.4 invitations have been mailed because it's "out of ten."

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What is an equation of the line that passes through the points (-8,-4) and (-6,-5)?

padilas [110]

Answer:

y=-2x-20

Step-by-step explanation:

y=mx+b

m=(y2-y1)/(x2-x1)

m=(-5+4)/(-6+8)

m=-1/2

y=-1/2x+b

-4=-1/2(-8)+b

-4=4+b

-8=b

y=-1/2x-8

Hope this helped! Please mark brainliest :)

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3 years ago

2. How far is the bird from the worm? Round to the nearest whole number if necessary. (TEKS

Vikentia [17]

A)60 ft
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2 years ago

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Which graph could represent a car that begins by increasing its speed, then travels at a constant speed, and then decreases its

frutty [35]

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3 years ago

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Complete the work to find the dimensions of the rectangle. x(x – 3) = 10 x2 – 3x = 10 x2 – 3x – 10 = 10 – 10 (x + 2)(x – 5) = 0

Norma-Jean [14]

Answer:

$Length =5$

$Width = 2$

Step-by-step explanation:

Given

$Length =x$

$Width = x -3$

$Area = 10$

$x(x-3) =10$

See comment for missing part of the question

Required

Complete the expression to determine the dimension of a rectangle

We have:

$x(x-3) =10$

Open bracket

$x^2 -3x = 10$

Equate to 0

$x^2 -3x - 10 =0$

Expand

$x^2 + 2x - 5x - 10 = 0$

Factorize

$x(x + 2) - 5(x + 2) = 0$

Factor out x + 2

$(x - 5)(x + 2) = 0$

Solve for x

$x - 5 = 0$ or $x + 2 = 0$

$x = 5$ or $x = -2$

The value of x cannot be negative

So:

$x = 5$

Recall that:

$Length = x$

$Width = x - 3$

So:

$Length =5$

$Width = 2$ ---- i.e. 5 - 3

6 0

2 years ago

A two digit number when read from left to right to right consiststs of consecutive integers. the nmber is six more than for time

Solnce55 [7]

I suppose you want to know such number. Since we have a two digit number consisting of two consecutive integers, the only possible numbers are:

$12,23,34,45,56,67,78,89$

Since we sorted all the cases out, we simply have to check which one satisfies the requirement. For each number, we'll write four times the the sum of its digits, and add 6, hoping to get the original number.

$\text{Number: } 12,\ \ 4\times \text{sum of digits: } 12\ \ \text{plus six: } 18\neq 12$

$\text{Number: } 23,\ \ 4\times \text{sum of digits: } 24\ \ \text{plus six: } 30\neq 23$

$\text{Number: } 34,\ \ 4\times \text{sum of digits: } 28\ \ \text{plus six: } 34$

So, the answer is 34.

3 0

3 years ago