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3 years ago

15

Which of these expressions shows like terms?

1 answer:

Katen [24]3 years ago

4 0

Answer:

the answer is 2× + 3×

Step-by-step explanation:

hope it helps

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The area of the base of the oblique pentagonal pyramid is 50 cm^2 and the distance from the apex to the center of the pentagon i

Verdich [7]

The complete question in the attached figure

Part a)
we know that
ABC is a right triangle
∠ACB=45°
AC=hypotenuse------> 6√2 cm
sin 45=AB/AC-----> AB=AC*sin 45----> AB=6√2*√2/2----> AB=6 cm

the answer part a) is
AB=6 cm

Part b)
we know that
volume of the pyramid=(1/3)*Area of the base*height
area of the base=50 cm²
height=6 cm
so
volume of the pyramid=(1/3)*50*6----> 100 cm³

the answer part b) is
100 cm³

5 0

2 years ago

Jasmine bought 7 yards of fabric that total cost was $45.43 what was the average cost per yard of the fabric she bought.

Doss [256]

$6.49 because 45.43÷7 is 6.49 ~JZ

3 0

2 years ago

ΔEFG ~ ΔLMN. Find the similarity ratio of ΔEFG to ΔLMN.

Basile [38]

Answer:

C

Step-by-step explanation:

Since the triangles are similar then the ratios of corresponding sides are equal, that is

$\frac{FG}{MN}$ = $\frac{4}{2}$ = $\frac{2}{1}$

Thus the ratio of Δ EFG to Δ LMN = 2 : 1 → C

6 0

2 years ago

AnnyKZ [126]

Answer:

1. x=17

2. x=19

3. x=3

4. x=4

3 0

2 years ago

Read 2 more answers

Find and identify the traces of the quadric surface x2 + y2 − z2 = 36 given the plane. x = k Find the trace. Incorrect: Your ans

AlekseyPX

Answer:

Hyperbola.

Step-by-step explanation:

We start from the function:

$x^{2} +y^{2} -z^{2} =36$

We may get the traces if we cut the surface in planes x=k. This is equivalent to replace x for k:

$k^{2}+y^{2} -z^{2}=36\\y^{2} -z^{2}=36-k^{2}$

The last equation is the equation of an hyperbola, which varies its characteristics depending on K (the plane cut).

3 0

2 years ago