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natta225 [31]
3 years ago
6

2x - 3y = 16

Mathematics
1 answer:
eduard3 years ago
3 0
The answer to the systems of equation is B
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When 0.5 and the number n are multiplied the result is 2.5 what is the value of n​
tresset_1 [31]
<h2>0.5 × n = 2.5</h2>

  • first form an equation to solve the problem

  • <em>bring 0.5 over to the other side and divide it by 2.5</em>

<h3>n = 2.5 / 0.5</h3>

  • <em>the answer is </em>

<h3>n = 5</h3>

  • <em>so,</em>

<h2>0.5 × 5 = 2.5</h2>

hope that helps :)

8 0
3 years ago
HELP! I don't understand so please give a detailed explanation.
likoan [24]

From the picture, we can see that ΔLSP and ΔLRN are similar, so corresponding sides are proportionate:


LN : LP = 28:12 = 7:3


Therefore, the LRN sides is 7/3 of the corresponding side of LSP.


Then, it states that the area of LSP = 50, and area of a triangle is (1/2)bh, so we set up the equation


Area of LSP = (1/2)bh = 50 ← Remember how the corresponding sides are 7/3 of LSP? Therefore, the area of LRN:


LRN = (1/2)(7b/3)(7h/3) ← Take out the 7/3 and multiply them together

= (49/9)(1/2)bh ← From LSP, we know that (1/2)bh = 50, so plug that in

= (49/9)*50 ≈ 272.222 units ²

6 0
3 years ago
A sample of seventh and eighth grade students were asked how many minutes they spent online last night. The results were recorde
Stolb23 [73]

Answer:

A

Step-by-step explanation:

8 0
3 years ago
Cora has some ice cream that she is serving for her friend , if Cora gives1/6 of a quart of ice cream to earth of her 8 friends,
zalisa [80]

Answer:

\frac{4}{3} quarts of ice cream

Step-by-step explanation:

Given

Number of friends = 8

Size of ice cream = 1/6 quarts

Required

Total ice cream served

Let n represent the number of friends, s represent the size of ice cream and t represents total ice cream served;

t is calculated as thus;

t = n * s

t = 8 * \frac{1}{6} quarts

t = \frac{8}{6} quarts

Divide numerator and denominator by 2

t = \frac{4}{3} quarts

Hence, she serves \frac{4}{3} quarts in total

8 0
3 years ago
On a piece of paper, graph y&lt; x + 1. Then determine which answer matches<br> the graph you drew.
Oksana_A [137]

Answer:

Step-by-step explanation:

8 0
3 years ago
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