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2 years ago

Evaluate the expression for the given values. 2x + (3y + z2) X = 2, y = 3, z = 4

Mathematics

1 answer:

bazaltina [42]2 years ago

3 0

Answer:

Step-by-step explanation:

2(2)+(3(3)+(4²))

4+(9+16)

4+25

pls if this was h helpful pls tag brainiest

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Nikitich [7]

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Step-by-step explanation:

62 divided by 2

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3 years ago

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It's really hard for me to understand what they are asking.

Gekata [30.6K]

Answer:

B is the correct answer

Step-by-step explanation:

Angles 1, 2, and 3 added together should make 180 degrees.

So, if angle 2 is 70 degrees, you subtract 70 from 180 (180-70=110) and you're left with 110 degrees.

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3 years ago

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hoa [83]

Answer:

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3 years ago

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Gisele has $5.90 in quarters and nickels. If Gisele has 16 more nickels than quarters, how many quarters does she have? [I don't

krok68 [10]

Answer:

See below

Step-by-step explanation:

Quarters= 25(x)

Nickels =5(x+16)

25x+5(x+16)=590 (no decimal)

If you solve for x, you’ll get the number of quarters.

3 0

3 years ago

A paperweight is shaped like a triangular pyramid. The base is an equilateral triangle. Find the surface area of the paperweight

melomori [17]

Answer:

Step-by-step explanation:

We have

three triangles with the base b = 2 in. and the height h₁ = 2.2 in.

one triangle with the base b = 2 in. and the height h₂ = 1.7 in.

The formula of an area of a triangle:

$A=\dfrac{b\cdot h}{2}$

b - base

h - height

Substitute:

$A_1=\dfrac{(2)(2.2)}{2}=\dfrac{4.4}{2}=2.2\ in^2$

$A_2=\dfrac{(2)(1.7)}{2}=1.7\ in^2$

$S.A.=3A_1+A_2$

$S.A.=3(2.2)+1.7=6.6+1.7=8.3\ in^2$

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3 years ago