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Mariana [72]
3 years ago
12

Find the total length of six sections when each section is 72.5mm in length​

Mathematics
2 answers:
Vikentia [17]3 years ago
7 0

Answer:

72.5 mm times 6 = 435 mm

Step-by-step explanation:

Tema [17]3 years ago
3 0
The total length is 435mm
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For the linear equation, find the product of 5 and the linear equation, and solve both equations for y. 2x + 7y = 11
tensa zangetsu [6.8K]

Answer:

(a) 10x + 35y = 55

(b) y = \frac{11 - 2x}{7}

Step-by-step explanation:

Given

2x + 7y = 11

Solving (a): Multiply equation by 5.

Multiply both sides by 5

5 * (2x + 7y) = 11*5

Open bracket

5 * 2x + 5 * 7y = 11*5

10x + 35y = 55

(b) Solve for y in 10x + 35y = 55 and 2x + 7y = 11

10x + 35y = 55

Subtract 10x from both sides

35y = 55 - 10x

Divide both sides by 35

\frac{35y}{35} = \frac{55 - 10x}{35}

y = \frac{55 - 10x}{35}

Factorize the numerator:

y = \frac{5(11 - 2x)}{35}

Express 35 as 7 * 5

y = \frac{5(11 - 2x)}{7 * 5}

y = \frac{(11 - 2x)}{7}

y = \frac{11 - 2x}{7}

<em>When </em>2x + 7y = 11<em> is solved, the solution will be: </em>y = \frac{11 - 2x}{7}<em></em>

6 0
3 years ago
A pizza place offers 3 different cheeses and 12 different toppings. In how many ways can a pizza be made with 1 cheese and 3 top
svetlana [45]
You have to choose 1 sort of cheese from 3 ( 3 ways ). Also you have to choose 3 toppings from 12 different toppings:
12 * 11 * 10 = 1,320 ways.
In total: 3 * 1,320 = 3,960
Answer:
In 3,690 ways can pizza be made with 1 cheese and 3 toppings.
3 0
4 years ago
Can someone help me with this??
Aloiza [94]
<span>–6(x – 2y) when x = –3 and y = –5
so
</span><span>–6(x – 2y) 
= </span><span>–6(-3 – 2(-5))
= -6(-3 + 10)
= -6(7)
= -42

answer
</span><span>A. -42</span>
4 0
3 years ago
Adam has sticks of the following lengths: (3x+4) (2x+10) (x+12)cm
gladu [14]
Option I
(3x+4)cm =(2x+10)cm
3x-2x=6
x=6
Option II
(3x+4)= (x+12)
3x-x=12-4
2x=8
x=4
Option III
(2x+10)= (x+12)
2x-x=12-10
x=2
3 0
4 years ago
Read 2 more answers
How can you model 8÷2/7
fredd [130]
8÷2/7
8/1÷2/7
8/1*7/2
56/2
28

Hope this helps :)
3 0
4 years ago
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