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Verdich [7]
3 years ago
15

Estimate the sum of 279 and 217

Mathematics
1 answer:
Shalnov [3]3 years ago
6 0
280 + 220 = 500 is the answer
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If one in every 5 sweets is a toffee. what proportion are chocolates?
irina1246 [14]
If the other sweets are chocolates then 4 in every 5 sweets are chocolates so 4/5
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3 years ago
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Identify the cross section of the solid shown in the diagram
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Given:

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To identify:

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3 years ago
For the function f(x)=3xsquared- 2x+5 find f(1) f(-2) and f(a)
Oksanka [162]
f(x)=3x^2-2x+5\\\\
f(1):\ \ Substitude\ 1 \ as\ x\ into\ function:\\
f(1)=3*1^2-2*1+5=3-2+5=\textbf{6}\\\\
f(-2)\ \ Substitude\ x=-2\\
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f(a)\ \ substitude\ x=a\\
f(a)=\underline{3a^2-2a+5}
4 0
4 years ago
Find the equation of the line that is parallel to the given line and passes through the given point y = -3x + 5 (1,5)
anygoal [31]

Answer:y intercept 5

Slope: -3

Step-by-step explanation:

3 0
4 years ago
How do I solve and find x for this question
Fed [463]

Answer: -9.1


Explanation
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First minus 12.4 from both sides

-3x +12.4=39.7
-12.4 -12.4
-3x=27.3
Now devid both sides by -3
X= -9.1
7 0
2 years ago
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