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Effectus [21]
3 years ago
5

I need the answer to 5+ bracket 2 times bracket 14 minus 9 bracket minus 1

Mathematics
1 answer:
ratelena [41]3 years ago
3 0
Answer:
5+2x14-9-1
5+28-9-1
38-9-1
29-1
28
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2. A sculptor is planning to make two triangular prisms out of steel. The sculptor will use ΔABC for the bases of one prism and
Phoenix [80]

Answer:

a) SAS

b) Volume of DEF is 4 times the Volume of ABC

Step-by-step explanation:

a) since they have one same/congruent angle (angle B and angle E) and other two sides are in the same ratio, they are similar by SAS similarity theorem.

40/20 = 30/15 = 2

Therefore Δ ABC is similar to Δ DEF

b) Volume of a prism

= base area × height

Let height be 'h cm'

With Base ABC:

Volume = ½×20×15×h = 150h cm³

With Base DEF:

Volume = ½×40×30×h = 600h cm³

600h/150h = 4

Prism with base DEF has a greater volume; it's 4 times of the volume of the prism with base ABC

7 0
4 years ago
Helppp!! 21 - 3y = -18<br> 3x+ y = -5
Ugo [173]

Answer:

(-3,4)

Step-by-step explanation:

A system of equations is given to us. The given equations are ,

\implies 2x - 3y = -18

\implies 3x + y =-5

We need to plot the graph and find the solution of the given system . For that refer to attachment . The point at which both the lines of the graph will intersect each other will be the solution of the given system of equations .

From the graph we can see that it intersect at (-3,4) . Therefore the Solution is ,

\longrightarrow \underline{\underline{ Solution = (-3,4)}}

8 0
3 years ago
Read 2 more answers
4a + (–6b) – 3a + 2b factor the expression
Gemiola [76]

Answer:

a−4b

Step-by-step explanation:

Combine Like Terms:

=4a+−6b+−3a+2b

=(4a+−3a)+(−6b+2b)

=a+−4b

have a great day

5 0
3 years ago
Can someone please find the coordinates for these shapes? pls I will mark them with Brainliest pls
katrin2010 [14]

Answer:

What shapes?!?! I can help you if you add an image of the shapes :)

Step-by-step explanation:

7 0
3 years ago
The thickness of a notebook is i inch. If you stack one million
Sedbober [7]

Answer:

A

Step-by-step explanation:

8 0
4 years ago
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