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ehidna [41]
2 years ago
6

Solve these One Step Equations

Mathematics
2 answers:
sukhopar [10]2 years ago
5 0

\huge \bf༆ Answer ༄

Let's solve ~

<h3>Example 1 : </h3>

\qquad \looparrowright \sf \: d + 1 = 5

\qquad \looparrowright \sf \: d = 5 - 1

\qquad \looparrowright \sf \: d = 4

<h3>Example 2 : </h3>

\qquad \looparrowright \sf \: x + 11 = 3

\qquad \looparrowright \sf \: x = 3 - 11

\qquad \looparrowright \sf \: x =  - 8

<h3>Example 3 : </h3>

\qquad \looparrowright \sf \: c + 4 = 5

\qquad \looparrowright \sf \: c = 5 - 4

\qquad \looparrowright \sf \: c = 1

<h3>Example 4 : </h3>

\qquad \looparrowright \sf \: b - 12 = 49

\qquad \looparrowright \sf \: b = 49 + 12

\qquad \looparrowright \sf \: b = 61

<h3>Example 5 : </h3>

\qquad \looparrowright \sf \: z - 5 = 12

\qquad \looparrowright \sf \: z = 12 + 5

\qquad \looparrowright  \: z = \sf17

<h3>Example 6 : </h3>

\qquad \looparrowright \sf \: p - 30 = 42

\qquad \looparrowright \sf \: p = 42 + 30

\qquad \looparrowright \sf \: p = 72

Ad libitum [116K]2 years ago
4 0
<h3><u>Question</u><u>:</u><u>-</u></h3>

Solve these One Step Equations

Ex) d + 1 = 5 Ex) x + 11 = 3 Ex) c + 4= 5

Ex) b – 12 = 49 Ex) z – 5 = 12 Ex) p – 30 = 42

<h3><u>Answer</u><u>:</u><u>-</u></h3>

  • d + 1 = 5

=> d = 5-1

=> d = 4

_________________

  • x + 11 = 3

=> x = 3-11

=> x = -8

_________________

  • c + 4 = 5

=> c = 5-4

=> c = 1

__________________

  • b - 12 = 49

=> b = 49+12

=> b = 61

__________________

  • z - 5 = 12

=> z = 12+5

=> z = 17

__________________

  • p-30 = 42

=> p = 42+30

=> p = 72

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Eddi Din [679]
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3 years ago
An ant moves 18 millimeters every 5 seconds
vaieri [72.5K]

Answer:

Step-by-step explanation:

First we need to find their rate of speed.

r = d / t

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Convert millimeters to inches.

1 inch = 25.4 mm

18 mm = 0.7 inch

r = 0.7 / 5

r = 0.14 inches per second

For beetle,

r = 8 / 3

r = 2.7 inches per second

From the rates, you can tell that the beetle crosses the Garden first.

To know how long it takes for the ant to cross is by dividing the length by the rate.

1 yard = 36 inches

13 yards = 468 inches

468 ÷ 0.14 = 668.5 ≈ 669 seconds

In terms of minutes:

11 minutes and 15 seconds

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7 0
2 years ago
A scientist has a container of 2% acid solution and a container of 5% acid solution. How many fluid ounces of each concentration
algol [13]

Let 'a' be the number of ounces of 2%-solution in the 25-ounce mixture

and 'b' be the number of ounces of 5%-solution in the 25-ounce mixture.

Since, fluid ounces of each concentration should be combined to make 25 fl oz.

So, a+b=25 (Equation 1)

And, a container of 2% acid solution and a container of 5% acid solution should be combined to make 25 fl oz of 3.2% acid solution.

So, a of 2% + b of 5% = 3.2% of 25

(a \times \frac{2}{100})+(b \times \frac{5}{100})= 25 \times \frac{3.2}{100}

(0.02a)+(0.05b)= 0.8

Multiplying the above equation by 100, we get

2a+5b=80 (Equation 2)

Substituting the value of a=25-b in equation 2, we get

2(25-b)+5b=80

50-2b+5b=80

50+3b=80

3b=30

b=10

Since, a=25-b

a= 25-10

a=15.

So, 15 fluid ounces of 2% solution combined with 10 ounces of the 5% solution to create a 25-ounce mixture at 3.2% concentration of acid.

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I hope this helps you




17-g
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