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Natalka [10]
2 years ago
8

1. 2x - 3y = -1 y = x - 1 Find the substitution

Mathematics
1 answer:
irina [24]2 years ago
6 0
It might be x = 4, y = 3 or x = 1 and y = -1 if it’s not I’ll re-calculate it and write it down.
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On a test, shelly got approximately 93% of the items correct. she got 76 questions right. how many questions were on the test? a
svetlana [45]
You multiply 76 by 0.93. That is 70.68 which rounds to 71. To check, (71/76) = ~93.
8 0
3 years ago
Given the following functions f(x) and g(x), solve f over g (−5) and select the correct answer below:
ahrayia [7]
Plug -5 into both of them and divide:

\sf\dfrac{2x-20}{x-1}

\sf\dfrac{2(-5)-20}{-5-1}

Simplify:

\sf\dfrac{-10-20}{-6}

\sf\dfrac{-30}{-6}

\boxed{\sf 5}
7 0
3 years ago
Read 2 more answers
Miguel sells insurance. He earns a 6% commission on each sale he makes. Miguel has a goal of earning $600 in commissions. Miguel
tankabanditka [31]

Answer: $12,000

Step-by-step explanation:

Miguel makes 6% on every sale he makes and wants to make $600 in commissions.

The amount he needs to sell is therefore the amount that has $600 as 5% of it.

Assume the amount of insurance needed is x.

x * 5% = 600

x = 600 / 5%

x = $12,000

4 0
3 years ago
Find the volume of this prism.<br> Please help!! And explain &lt;3
olga nikolaevna [1]

(9×6/2) × 12 = 324

Explination:

The easiest way to understand what you're doing is to find the area of the base first, then extend it upwards to find the volume using height. Hence the equation: b×h=v

So how do we find the base of a triange? Remember that every single triangle can be calculated as a square, then cut in half. So 9 × 6 / 2 = 27 cm2

The next step is to calculate the volume using the height of the figure. 27 × 12 = 324 cm3

**<em>remember to </em><em>use</em><em> </em><em>the</em><em> </em><em>correct</em><em> </em><em>units</em><em>,</em><em> </em><em>since</em><em> </em><em>area</em><em> </em><em>and</em><em> </em><em>volume</em><em> </em><em>are</em><em> </em><em>different</em><em>. </em>

8 0
3 years ago
If fencing costs $50 a foot how much do you save by only building a fence around rectangle ABEF
Elis [28]
Put the “ABEF” to answer
5 0
3 years ago
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