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ANTONII [103]
4 years ago
7

(Will give brainliest( 50 points)

Mathematics
2 answers:
julia-pushkina [17]4 years ago
3 0
Part A is $650. Part B is 400+0.05s=1350, and part C is $19,000. For part A, it is $400+ 5% of total sales. So, it would be 400+5% times 5000 (which is the total sales of last week). Turn the 5% into a decimal so 400+0.05 times 5000. Then it would be 400+250, which is 650. For part B, it would be $400 per week and 5% of total sales for that week. This as an equation would be $400+0.05 times s=$1350. We can put 0.05 and the variable s together. So, it would then be 400+0.05s=$1350. This is the equation. For part C, we have to solve the equation in part B. $400+0.05s=$1350. Subtract 400 from 400 and 1350. This now makes the equation 0.05s= $950. Divide both sides by 0.05 and you get 19,000.
barxatty [35]4 years ago
3 0

Answer:

First one : 650

second : 400+0.05s=1350

last:19000

Step-by-step explanation:

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Help me out please!!!
AleksAgata [21]
1) side BD is common

2) angle ABD is equal to angle BDC (alternate angles)

3) angle CBD is equal to angle ADB (alternate angles)
5 0
3 years ago
Can anyone explain this to me please
timurjin [86]
Hello there,

To start it off, 2 x 39= 78
So a is correct that would be 2 x 30+9 = 2x39= 78
So b is correct as well. 2 x 40-1= 2 x 39= 78
c is questionable 2 x 30 +9= 60 + 9 = 69 
So d is correct 18 + 60 = 78
So e is correct 100-22 = 78

So 2 x 39 is not equal to (2 x 30) +9

Hope this helped!

5 0
3 years ago
Since BC is parallel to DE, triangles ABC and ADE are similar. What are the lengths of the unknown sides?
NikAS [45]

Answer:

C

Step-by-step explanation:

Step 1: find BC

Given Triangles ABC and ADE are similar,

\frac{AB}{AD} = \frac{BC}{DE}

BC = \frac{AB}{AD} x DE

= \frac{8}{8 + 4} x 9

= 6 cm

Step 2: use Pythagorean theorem to find AC and / or AE

Consider triangle ABC,

by Pythagorean theorem,

AB² + BC² = AC²

AC² = 6² + 8² = 100

AC = √100 = 10 (answer... we can see that C is the only one with AC=10.

Step 3: Verify.. even though we know that it is C because AC  = 10,  you can verify that the ansewer is correct by finding CE and confirming that CE=5

By using similar triangles ABC and ADE,

AC/AE = AB / AD

AE = AD/AB x AC = 12/8 x 10 = 15

CE = AE - AC = 15 - 10 = 5 (answer confirmed)

5 0
3 years ago
A professor writes 40 discrete math
adoni [48]
Huh what do u mean, is there a possibility of u show the question
3 0
3 years ago
Sydney wrote the equation y+1=12(x−3). y + 1 = 1 2 ( x − 3 ) . Explain her error and then write the correct equation in point-sl
yanalaym [24]

Answer:

The answer to this question can be defined as follows:

Step-by-step explanation:

Given equation:

\to y + 1 = 12 ( x - 3 )

Using formula:

\to \bold{y = mx +c}

Solving the given equation:

\to y + 1 = 12 ( x - 3 )\\\\\to y+1 =12x-36\\\\\to y=12x-36-1\\\\\to y= 12x-37\\\\

compare the value form the given formula:

\to m= 12

Correct equation \to  y= 12x-37

solpe \to m= 12

4 0
3 years ago
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