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ddd [48]
3 years ago
15

What do you get when you smelt iron? A. Lava B. Foundry

Mathematics
2 answers:
Zina [86]3 years ago
7 0
Foundry is what you get when you smelt iron :)
MakcuM [25]3 years ago
7 0
The answer is B.Foundry is what u get
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My little sisters work i forgot to help her thanks
Usimov [2.4K]

Answer:

5 over 5

Step-by-step explanation:

You can see that 20x 5 is needed to get the denominator of 100, so you need to multiply the top by 5 too, to get 85/100. Hope this helps.

8 0
3 years ago
Read 2 more answers
If cos(t)=-9/10 where pi < t < 3pi/2, find the values of the following trigonometric functions.
kaheart [24]
Hello here is a solution : 

7 0
4 years ago
Diagram shows the composite solid formed by a cuboid and a right prism. Trapezium LMNP is the uniform cross section of the prism
kherson [118]

Answer:

MN = 7 cm

Step-by-step explanation:

Well the volume we can separate into pieces

first the ABCDEFGH (? you know this cuboid)

which has a volume of

V = AB\cdot BC\cdot CH\\\\V = 3*6*(3+JY+4)

if you ask where does the 4 come from

it comes from LP = KB = YC and JY + YC =JC

so

V = 18(7+MX)

this is because JY = MX

the other volume is of BCNPKLXY (hope you understand which one)

and the volume is

V = BP*PN*NX\\\\V=8*6*4\\\\V = 192

and the last one is KYXLMJ (the top "triangle")

the volume is

V = \frac{LX*XM}{2}*LK\\\\V = \frac{6*MX}{2}*8\\\\V= 6*4*MX\\\\V=24MX

so now add them up

and has to equal 444

V_T = 18(7+MX)+192+24MX\\\\V_T = 126+18MX+192+24MX\\\\V_T = 318+42MX\\\\444=318+42MX\\\\444-318=42MX\\\\126=42MX\\\\MX = 3

and finally we know that MN = MX + XN = 3+4 = 7

so here is our answer MN = 7 cm

a couple of notes

1.\:\angle LXM = 90\\\\2.\:\angle KYX = 90

3. the units don't matter due to the fact that everything is in cm

4. see the picture below to get a better idea of which prism I am talking of

5. tell me if you have questions :D

8 0
3 years ago
If anyone could help me find the value of x I would appreciate it
sveticcg [70]

ANSWER:X=5

Step-by-step explanation:

6X+65+85=180

6x+150=180

subtract 150 from both sides to get

6x=30

divide by 6 to get 5

7 0
3 years ago
The ordered pair (1, -5) is a solution for the system x + 2y = -9 and x - y = 6.<br> true <br> false
sweet [91]
In an ordered pair, x is the first number and y is the second number. So this is telling you x=1 and y=-5. You can take this information and plug it into the formulas.

x + 2y = -9
1 + 2(-5) = -9
1 + -10 = -9? True

x - y = 6
1 - -5 = 6? *
1 + 5 = 6? True.

(*Subtracting a negative makes it a positive.)
3 0
3 years ago
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