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solmaris [256]
2 years ago
5

Write a bracket to make the calculation correct 4 + 1 *7-2 =25

Mathematics
2 answers:
lakkis [162]2 years ago
8 0

Answer:

[4 + 1] x [7 - 2] = 25

Step-by-step explanation:

When you have the brackets around [4 + 1], you add them up to get 5. You then do [7 - 2] to get 5. Once you multiply 5x5, you get 25. Hope this helps! :)

<h3>CloutAnswers</h3>
Lelechka [254]2 years ago
6 0

Answer:

[4 + 1] *[7-2] =25

Step-by-step explanation:

[4 + 1] *[7-2] =25

We need to get to 25

What makes 25

5*5

4+1 =5

7-2 =5

5*5 =25

So we need brackets around 4+1 and around 7-2

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Answer:

105°

Step-by-step explanation:

Measure of the third angle

= 180° - 18° - 57° (angle sum of triangle)

= 105°

5 0
1 year ago
Finding values or<br> k(x) = x - 2<br> h(x) = x2 +1<br> (h + k)(2) =
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Answer:

<h2>(h + k)(2) = 5</h2>

Step-by-step explanation:

(h+k)(x)=h(x)+k(x)\\\\\bold{METHOD\ 1:}\\\\k(x)=x-2,\ h(x)=x^2+1\\\\(k+h)(2)=h(2)+k(2)\\\\\text{Calculate}\ h(2)\ \text{and}\ k(2).\\\text{Put}\ x=2\ \text{to the equations of the functions}\\\\h(2)=2^2+1=4+1=5\\k(2)=2-2=0\\\\\text\\\\\text{Substitute:}\\\\(h+k)(2)=5+0=5

\bold{METHOD\ 2:}\\\\k(x)=x-2,\ h(x)=x^2+1\\\\(h+k)(x)=h(x)+k(x)=(x^2+1)+(x-2)=x^2+x-1\\\\(h+k)(2)-\text{put}\ x=2\\\\(h+k)(2)=2^2+2-1=4+2-1=6-1=5

5 0
2 years ago
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To solve an equation or inequality, you can add the same value to both sides of the expression. Here, it is convenient to choose that value to be the opposite of the constant (+15) added to y, so that constant is replaced by zero.


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