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2 years ago

If X= -6 and y=4 what is x² + y²

Mathematics

2 answers:

Rainbow [258]2 years ago

6 0

Answer:

Step-by-step explanation:

(-6)x(-6)=36

(4)x(4)=16

36+16=52

Jobisdone [24]2 years ago

4 0

Answer:

x = 6 x 6

y = 4 x 4

Step-by-step explanation:

This is because...

x^2 means "x cubed", meaning multiply it by itself. Same for y.

Now the math...

6 x 6 = 36

4 x 4 = 16

Math 2

Without rounding, we find the true sum of 36 + 16 = 52.

Therefore,

x^2 + y^2 = 52

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Ronch [10]

Answer:

7 1/3

Step-by-step explanation:

V = πr²h

V₁ = π x 4² x 11 = 176π

v₂ = π x 2² x 6 = 24π

V₁ /v₂ = 176π / 24π = 22/3 = 7 1/3

6 0

3 years ago

Plz help me with these with steps

Dovator [93]

Answer:

10. 9/40

11. $72

Step-by-step explanation:

10.

Step 1: Have the whole cake as 1,

$1-\frac{1}{8} -\frac{2}{5} -\frac{1}{4}\\= 1 -\frac{5}{40}-\frac{16}{40}-\frac{10}{40} \\= \frac{9}{40}$

11.

Step 1: Find the remaning income left

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7 0

3 years ago

(7 + 10i)+(4-10i)-(7-5i)

AleksAgata [21]

Answer:

4 + 5i

Step-by-step explanation:

To calculate this you have to combine the like terms until they cannot be combined any further:

7 + 10i + 4 - 10i - (7 - 5i)

11 + 0i - 7 - 5i

7 & 4 are liked terms so add them together + subtract 10i and 10i

4 + 5i <--- Final answer

Hope this helps!

8 0

3 years ago

Read 2 more answers

Which point represent the location of the vertex of the

fgiga [73]

Answer:

(4, - 7)

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

f(x) = (x - 4)² - 7 ← is in vertex form

with (h, k) = (4, - 7 ) ← vertex

5 0

4 years ago

Jewel is 7 years old and John is 16 years younger than Dave. One year ago, Dvae's age was twice the sum of Jewel's and John's ag

ivanzaharov [21]

Answer:

Jewel is 7 years old

John is 1 year old

Dave is 17 years old

Step-by-step explanation:

From the question we are told that:

Jewel age is $J=7 years$

John age $J'=(D-16)years$

Dave's age a Year ago

$D-1=2(J-1+J'-1)$

So that Dave.s age this Year could be

$D=2((J-1)+(J'-1))+1$

Simplifying Equation for Dave's age we have

$D=2((7)-1+(D-16)-1)+1$

$D=2(6+D-15)+1$

$D=2(D-9)+1$

$D=2D-18+1$

$D=17 Years$

Dave is 17 years old

Therefore

Johns age is

$J'=(D-16)$

$J'=17-16$

$J'=1year old$

John is 1 year old

7 0

3 years ago

If X= -6 and y=4 what is x² + y²​

If X= -6 and y=4 what is x² + y²