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Verdich [7]
3 years ago
15

HELP ME PLEASE PLEASE

Mathematics
1 answer:
Elina [12.6K]3 years ago
8 0

yes you are correct you are very smart and the answer is 1plus1 equals 2 and its correct

Step-by-step explanation:

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A first number plus twice a second number is 1. Twice the first number plus the second totals 14. Find the numbers
poizon [28]

Let's consider the first number to be f and the second number to be s. Based on the information in the problem, we can create the following equations:

f + 2s = 1

2f + s = 14


Now, we can solve the equations through systems of equations. One way of doing this is by multiplying one of the equations so that there is a term in both equations which can be removed by addition or subtraction. In our case, we can multiply the entire first equation by 2 to get:

2f + 4s = 2/tex][tex]2f + s = 14


Now, subtract 2f from both equations to get:

3s = -12

s = -4


Now that we have found s, "plug" it back into an equation to find f:

f + 2(-4) = 1

f - 8 = 1

f = 9


Our answers are s = -4 and f = 9.

3 0
3 years ago
Read 2 more answers
9/8 × 2/3<br>faction in simplest form<br>​
bogdanovich [222]

Answer:

3/4

Step-by-step explanation:

9/8 * 2/3

Rewriting

9/3 * 2/8

Simplifying

3/1 * 1/4

3/4

6 0
3 years ago
Read 2 more answers
Help help help math math
Lemur [1.5K]

Answer:

2 x 3 x 5

Step-by-step explanation:

that is it

8 0
3 years ago
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An element with mass 800 grams decays by 8.2% per day. How much of the element is remaining after 15 days,
Serjik [45]

Given:

The initial mass of an element is 800 grams.

Decay rate = 8.2% per day

Number of days = 15

To find:

The remaining element after 15 days.

Solution:

The exponential decay model is

y=a(1-r)^t

Where, a is the initial value r is the rate of interest and t is time period.

Putting a=800,r=0.082,t=15 in the above formula, we get

y=800(1-0.082)^{15}

y=800(0.918)^{15}

y=221.68188

y\approx 221.7

Therefore, the mass of the remaining element is 221.7 grams.

7 0
3 years ago
Is pi+4 greater than 7?
Eva8 [605]

Answer:

Step-by-step explanation:

actually, it IS 7

6 0
3 years ago
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