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IRISSAK [1]
3 years ago
8

Evaluate. 16 • 3 + [(17 – 3) ÷ 2] – 43 What is the answer

Mathematics
2 answers:
natita [175]3 years ago
8 0
16 ×<span> 3 + [(17 – 3) ÷ 2] – 43
</span>16 × 3 + [(14) ÷ 2] – 43
16 × 3 + 7 – 43
48 + 7 – 43
55 – 43
12
scoundrel [369]3 years ago
6 0
16\cdot3+[(17-3)\div2]-43=
= 48+(14\div2)-43
=48+7-43
=55-43
=\boxed{\boxed{12}}
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Find a quadratic model for the set of values: (-2, -20), (0, -4), (4, -20). Show your work.
Ivahew [28]
Ok... so this question can be solved by using simultaneous equations. 

Use the general from of a parabola 

y = ax^2 + bx + c

you know the value of c, the y-intercept... y = -4

which means the equation is 

y = ax^2 + bx - 4

now use the other 2 points to get 2 equations in 2 unknowns

(-2, -20) just substitute 

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this becomes

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now the other equation using (4, -20)

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6 0
3 years ago
Fred has 45 books. Sally has 27 times more books than Fred. How many books does Sally have?
hodyreva [135]

Answer:

fred = 45 books

sally has 27 times more book than fred

sally = 45 X 27

= 1215 books

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3 years ago
What is the measure of ∠EGF? __
Ray Of Light [21]

Answer:

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Step-by-step explanation:

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3 years ago
Given A(3, 4), B(4, 3) and C(2, 1), what are the coordinates of C', the image of C under a rotation of 90 degrees about the orig
Aleks [24]

<u>Given</u>:

The coordinates of the points A, B and C are (3,4), (4,3) and (2,1)

The points are rotated 90° about the origin.

We need to determine the coordinates of the point C'.

<u>Coordinates of the point C':</u>

The general rule to rotate the point 90° about the origin is given by

(x, y) \Rightarrow(-y, x)

Substituting the coordinates of the point C in the above formula, we get;

(2, 1) \Rightarrow(-1, 2)

Therefore, the coordinates of the point C' is (-1,2)

5 0
4 years ago
Can someone please answer this question please answer it correctly and please show work please help me I need it
vaieri [72.5K]

Answer:

A

Step-by-step explanation:

Lets find the values:

<em>Gained</em><em> </em>2.2 kg = 2.2

<em>Lost</em><em> </em>1.5 kg = (-1.5)

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Adding these would be represented by the equation:

2.2 + (-1.5) + (-3.7) = ?

3 0
3 years ago
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