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Sindrei [870]
3 years ago
8

How to Distribute 3(2-3x)

Mathematics
2 answers:
Aleksandr [31]3 years ago
6 0

Answer:

6 -9x

Step-by-step explanation:

hodyreva [135]3 years ago
5 0

3(2-3x)=3*2+3*-3x

=6-9x

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A student collected monetary pledges for a fundraiser. One donor pledged to contribute $5 for each mile walked by the student du
Snezhnost [94]

Answer:

A. The situation is discrete B. i. { x : 0 ≤ x ≤ 6; x ∈ Z} ii. { C = 5x : 0 ≤ C ≤ 30; C ∈ Z}

Step-by-step explanation:

A. The situation is discrete since we have integral values for the amount paid per mile walked. The amount per mile is $5 and is only paid if a complete mile is walked. So, it is a discrete situation.

B. i. Since 0 miles represents 0 distance and the student walks a maximum of 6 miles, let x represent the distance walked. So the domain is 0 ≤ x ≤ 6 where x ∈ Z where Z represent integers.

{ x : 0 ≤ x ≤ 6; x ∈ Z}

ii. Since at 0 miles the amount earned is 0 miles × $5 per mile = $ 0 and at the maximum distance of 6 miles, the amount earned is 6 miles × $5 per mile = $ 30, let C represent the amount donated in dollars. So the range is 0 ≤ C ≤ $ 30 where C = 5x.

{ C = 5x : 0 ≤ C ≤ 30; C ∈ Z}

6 0
3 years ago
In the diagram, CE = 12 and BE = 5.<br><br><br><br><br> Based on the given information, AE =
lubasha [3.4K]

Answer:

12 units

Step-by-step explanation:

From the given figure, it can be seen that AB=BC, thus

From ΔBEC, using the Pythagoras theorem, we have

(EC)^{2}=(BE)^{2}+(BC)^{2}

(12)^2=(5)^2+(BC)^2

144=25+(BC)^2

119=(BC)^2

BC=\sqrt{119} units

Now, from ΔABE, using the Pythagoras theorem, we have

(AE)^2=(BE)^2+(AB)^2

(AE)^2=25+119

(AE)^2=144

AE=12 units

Thus, the measure of AE is 12 units.

8 0
3 years ago
Read 2 more answers
The straight line L has the equation 4y=5x+3
solniwko [45]

Answer:

y = -4/5x + 2/5

Step-by-step explanation:

4y=5x+3\\write -in ; y=mx+b -form\\y = \frac{5}{4}  x + \frac{3}{4} \\m = 5/4\\m_1m_2 = -1\\5/4m_2 =-1\\m_2 = -4/5\\ (3,-2)\\x = 3\\y = -2\\y = mx+b\\-2 = -\frac{4}{5}(3) +b\\-2 = -12/5 +b\\-2+12/5 = b\\2/5 = b\\m = -4/5\\Substitute -new-values-into-slope-intercept-form\\y = mx+b\\y = -4/5x + 2/5

6 0
3 years ago
0.1x+0.2y=-1;0.5x-0.9y=6.4
Harman [31]
.1x+.2y=-1
.5x-.9y=6.4

×-5 equation .1x+.2y=-1

-.5x-y=5
.5x-.9y=6.4

solve by elimination

-1.9y=11.4
÷-1.9 both sides
y=-6

solve for X

.1x+.2 (-6)=-1
.1x-1.2=-1
+1.2 both sides
.1x=.2
÷ 1 both sides
x=2

plug into 2nd equation to see if it's true

x=2
y=-6

0.5(2)-0.9(-6)=6.4
1+5.4=6.4
6.4=6.4 answers hold true
4 0
4 years ago
What is 14,11,8 sequence <br>​
TEA [102]

Each step subtracts 3 from the previous number.

14 - 3 = 11

11 - 3 = 8

The sequence will continue:

8 - 3 = 5

5 - 3 = 2

2 - 3 = -1

Etc.

14, 11, 8, 5, 2, -1...

8 0
3 years ago
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