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SpyIntel [72]
3 years ago
12

Can u help please :)

Mathematics
1 answer:
Lyrx [107]3 years ago
7 0

Answer:

z = 8

Step-by-step explanation:

All angles inside a triangle add up to 180 so:

90 + 40 + 5z + 10 = 180

5z + 140 = 180

5z = 40

z = 8

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Look at the triangular prism. Work out the volume of the prism.
xz_007 [3.2K]

Answer:

See explanation

Step-by-step explanation:

The question has missing details, as the diagram of the prism is not shown.

However, I'll solve using a general rule.

The volume of a triangular prism is:

Volume = \frac{1}{2}* b * h * l

Where

b = base

h = height

l = length

Take for instance:

b = 20cm

h = 10cm

l = 5cm

The volume is:

Volume = \frac{1}{2} * 20cm * 10cm * 5cm

Volume = 10cm * 10cm * 5cm

Volume = 500cm^3

Another instance (see attachment).

From the attachment:

b = 4.5cm

h = 5cm

l = 8cm

The volume is:

Volume = \frac{1}{2} * 4.5cm * 5cm * 8cm

Volume = 2.25cm * 5cm * 8cm

Volume = 90cm^3

7 0
3 years ago
Four whole numbers are each rounded to the nearest 10
kirill115 [55]

9514 1404 393

Answer:

  106

Step-by-step explanation:

Each of the whole numbers could be 4 greater than the value it is rounded down to. Then the maximum original sum is ...

  90 +4 +4 +4 +4 = 106

__

<em>Example</em>

The numbers could be 14, 24, 34, 34. Their rounded values are 10, 20, 30, 30, for a total of 90. The total of the original numbers is 106.

8 0
3 years ago
Read 2 more answers
Help me with this!!!!!
krok68 [10]

Answer:

<em>b = 28</em>

Step-by-step explanation:

b + 28 = 2b

28 = 2b - b

28 = b

b = 28

4 0
3 years ago
Find the value of x and thank for answer
lakkis [162]
The value for x is 102 degrees

First we can find the second value in the triangle by subtracting 141 from 180. This works because when added together these two angles come together to from a line (180 degrees) because this value is now known (39 degrees) we can subtract both from 180:

180-39-39= x = 102
3 0
3 years ago
The bank has accepted Harriet's application for a mortgage to buy a property worth $325,500. She has to make a down payment of 2
8_murik_8 [283]
<span>What is 20% of $325,500?
</span><span>She needs a loan of 80%. So multiply 80% by the purchase price.
</span><span>325500 x 80% $260,400
</span>hope this helps

8 0
3 years ago
Read 2 more answers
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