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3 years ago

Solve the system by substitution x+4y=14 and 3x+4y=22

Mathematics

2 answers:

omeli [17]3 years ago

7 0

Answer:

Step-by-step explanation:

love history [14]3 years ago

6 0

Answer:

x=4,y=5/2 or (4,5/2) depending on the type of answer you need .

Step-by-step explanation:

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the amount of money that sue had in pension fund at the end of 2016 was £63000. her plans involve her putting £412 per month in

Ganezh [65]

Answer:

the pension fund will be £285480

Step-by-step explanation:

her plans = £412 per month till 18 years ( 2034 )

so, 18 years to months

= 18 × 30

= 540 months

£412 × 540

= £222480

you must add it up with the amount at the end of 2016 which is :-

£63000 + £222480

= £285480

you're welcome ^o^

6 0

3 years ago

What is the value of each variable?

Romashka-Z-Leto [24]

Step-by-step explanation:

x and 63° are subtended by the same arc, therefore their measures will be equal.

Therefore, x = 63°

$y = 2 \times 22 \degree = 44 \degree \\$

6 0

4 years ago

a cone has a circular base with a diameter of 18 inches. the height of the cone is 40 inches what is the approximate lateral are

lana66690 [7]

Lateral Area of cone=1130.4 inches^2

Step-by-step explanation:

Diameter of circular base = 18 inches

Height of cone = 40 inches

Lateral Area of cone = ?

The formula used to find Lateral Area of cone is:

$Lateral\,\,Area\,\.of\,\,cone=\pi rh$

Since we know that r= d/2,

so, r = 18/2

r= 9

Putting values, we get:

$Lateral\,\,Area\,\,of\,\,cone=\pi rh\\Lateral\,\,Area\,\,of\,\,cone=\pi *9*40\\Lateral\,\,Area\,\,of\,\,cone=1130.4 inches^2$

So, Lateral Area of cone=1130.4 inches^2

Keywords: Lateral Area of cone

Learn more about Lateral Area of cone at:

#learnwithBrainly

8 0

3 years ago

a stainless steel garbage can is in the shape of a right circular cylinder. If its radius is 6 inches and its volume is 864 pi c

lubasha [3.4K]

$\bf \textit{volume of a cylinder}=v=\pi r^2 h\qquad 
\begin{cases}
r=radius\\
h=height\\
---------\\
r=6\\
v=864\pi^3
\end{cases}
\\\\\\
864\pi^3=\pi\cdot 6^2\cdot h\impliedby \textit{solve for "h"}$

5 0

3 years ago

Read 2 more answers

Please help I dont understand

riadik2000 [5.3K]

Answer:

2.1

Step-by-step explanation:

By the Law of Cosines,

a² = 5² + 6² - 2(5)(6)cos(20°)

a = sqrt(5² + 6² - 2(5)(6)cos(20°)), which is about 2.1

7 0

2 years ago