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3 years ago

1. The dimensions of a triangular prism are shown in the diagram.

Mathematics

1 answer:

solniwko [45]3 years ago

6 0

Answer:

V=850√3cm³

Step-by-step explanation:

These are dimensions of the triangular prism:

a=10cm

H=34cm

V=BH

B= a²✓3/4 (:4)

B=10²√3/4

B=100√3/4

B=25√3cm²

H=34 cm

And you get volume by this formula

V=BH

V=25√3* 34

V=850√3cm³

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Find side AB and round your answer to the nearest hundredth, help please.

Naddik [55]

Answer:

? = 5.12

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

sin B = opp/ hyp

sin 65= 5/ ?

? = 5/ sin 65

? =5.516889595

To the nearest hundredth

? = 5.12

3 0

3 years ago

Elaine is making a flower garden with rows of flowers. The garden is 20 yards long. She wants a total of 7 rows of flowers that

aniked [119]

You would divide 20 by 7 and that is the answer

Hope this helps!

8 0

3 years ago

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BartSMP [9]

$\bold{FULL ANSWERS:}$

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2 years ago

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If \left| OA\right| =5∣OA∣=5 and \left| OA'\right| =7.5∣OA ′ ∣=7.5, what is the scale factor, rr, of this dilation?

Igoryamba

Answer:

The scale factor is 1.5

Step-by-step explanation:

Given

$\left| OA\right| =5$

$\left| OA'\right| =7.5$

Required

Determine the scale factor

The scale factor (k) is calculated using:

$k = \frac{\left| OA'\right|}{\left| OA\right|}$

Substitute values for OA and OA'

$k = \frac{7.5}{5}$

$k = 1.5$

<em>The scale factor is 1.5</em>

6 0

3 years ago

Help ı need to solv thıs worksheet

diamong [38]

130, - 12, 56.1, 11.2

these are all arithmetic sequences with n th term formula

$a_{n}$ = $a_{1}$ + (n - 1 )d

where d is the common difference and $a_{1}$ the first term

(1)

d = 10 - 4 = 4 - (- 2 ) = 6 and $a_{1}$ = - 14

$a_{25}$ = - 14 + (24 × 6) = - 14 + 144 = 130

(2)

d = 14 - 16 = 16 - 18 = - 2 and $a_{1}$ = 22

$a_{18}$ = 22 + (17 × - 2 ) = 22 - 34 = - 12

(3)

$a_{50}$ = 2.2 + (49 × 1.1) = 2.2 + 53.9 = 56.1

(4)

$a_{12}$ = - 4.2 + (11 × 1.4 ) = - 4.2 + 15.4 = 11.2

8 0

3 years ago