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andrezito [222]

3 years ago

12

Last week you worked 40 hours. This week, you worked 6 fewer hours than last week. How many hours did you work this week? _____

hours

2 answers:

Sever21 [200]3 years ago

3 0

Answer:

34??? Its very simple...

Step-by-step explanation:

40-6

34

LUCKY_DIMON [66]3 years ago

3 0

40-6=34 so 34 hours this week

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If VX = WZ = 40 cm and m∠ZVX = m∠XWZ = 22°, can ΔVZX and ΔWXZ be proven congruent by SAS? Why or why not?

Paul [167]

Answer: The ΔVZX and ΔWXZ are not congruent by SAS.

Explanation:

It is given that the VX = WZ = 40 cm and ∠ZVX = ∠XWZ = 22°.

Draw a figure as shown below,

According to the SAS rule of congruence, two triangles are congruent if two sides and their inclined angle is equal.

From the given figure it is easily noticed that in ΔVZX and ΔWXZ,

$VX=WZ=40cm$ (given)

$\angle ZVX=\angle XWZ=22^{\circ}$ (given)

$XZ=XZ$ (common side)

Since we have two sides and one angle is same. but we can not conclude that the ΔVZX and ΔWXZ are congruent by SAS, because the given angle is not the inclined angle of both equal sides.

Therefore, the ΔVZX and ΔWXZ are not congruent by SAS.

4 0

2 years ago

Read 2 more answers

Help me with this question plz?

wel

Volume of cylinder = πr²h = π x 4² x 6 = 96π

volume of cone = 1/3πR²H = 1/3π x 8² x 12 = 256π

You can see that volume of cone is more than twice of volume of cylinder. So she is not correct

8 0

3 years ago

9 + (-8) using a number line

Lelu [443]

Answer:

9 + (-8) = 1

Step-by-step explanation:

4 0

2 years ago

Decline of 11.3%

Katarina [22]

Answer:

decay.

Step-by-step explanation:

decline means reduce, which is a negative term. decay is also negative.

decimal form= .113 or .11

3 0

2 years ago

Determine the discriminant for the quadratic equation -3 = x^2+4x+1 . Based on the discriminant value, how many real number solu

djverab [1.8K]

Answer:

1 real

Step-by-step explanation:

The discriminant is:

$b^2-4ac$

which comes from the quadratic formula.

The rules are:

If the discriminant is > 0, there are 2 real solutions

If the discriminant is = 0, there is 1 real solution

If the discriminant is < 0, there are 2 imaginary solutions

(there are 2 other situations involving square roots, but these are the most basic ones in Algebra 2 books when you study quadratics)

First, we have to get that quadratic in standard form, which means getting everything on one side of the equals sign and setting it equal to 0:

$x^2+4x+4 = 0$

where a = 1, b = 4, c = 4

Filling in the discriminant:

$4^2-4(1)(4)$

gives us

16 - 16 = 0

Therefore, our quadratic has one real solution. Factor it and see if you'd like, to prove that it is true.

7 0

3 years ago