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Mumz [18]
3 years ago
14

Grumpy is… well… grumpy. He wants to play but there is no one to play with! Can you help him work this equation out?

Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
8 0

Answer:

A. 22

Step-by-step explanation:

Let's use variables to represent the unknowns.

Let x = blue bowl

Let y = orange symbol

Let z = yellow brush

x * x * x = 512

x^3 = 512

x = sqrt^3(512) = 8

xy^2 = 72

8 * y^2 = 72

y^2 = 9

y = 3

yz = 33

z = 11

x + y + z = 8 + 3 + 11 = 22

Umnica [9.8K]3 years ago
3 0

Answer:

A

Step-by-step explanation:

8x8x8=512

8x3x3=72

3x11=33

Therefore...

8+3+11=22

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Which of the sums below can be expressed as 6(3 + 9)?<br> 18 + 54<br> 18 +9<br> 09 + 15<br> 6 + 54
Zinaida [17]

Answer: 18+54

Step-by-step explanation:

6*3=18 and 6*9=54

3 0
3 years ago
Read 2 more answers
bruh its not letting me see any answerssss idk whyyy pleasee hellppp i click the see answers and when i scroll down i see nothin
ipn [44]

Answer:

same i cant see any of the answers but sometimes the answers are in the questions. so just read the question over again and maybe it will be there.

Step-by-step explanation:

4 0
3 years ago
Which quadratic relation has a y-intercept of 8?
Tpy6a [65]

Answer:

y = 0.5 (x^2 -2x + 16) has a y-intercept of 8.

Step-by-step explanation:

The x-coordinate of every y-intercept is zero.  To determine which of the four quadratics given here has a y-intercept of 8, we need only substitute 0 for x in each; if the result is 8, we've found the desired quadratic.

O y = 0.5(x + 2)(x + 4) becomes y = 0.5(2)(4) = 4 (reject this answer)

O y = 0.5 (x - 2)(x + 8) becomes y = 0.5(-2)(8) = -8 (reject)

O y = 0.5(x2 -2x - 16) becomes y = 0.5(-16) = -8 (reject)

<em>O y = 0.5 (x2 -2x + 16) becomes y = 0.5(16) = 8 This is correct; that '8' represents the y-intercept (0, 8).</em>

6 0
2 years ago
2x+5y=-3<br>3x-y=21<br>help me
arlik [135]
Problem:
Solve
2
x
+
5
y
=
−
3
;
3
x
−
y
=
21
Steps:
I will try to solve your system of equations.
3
x
−
y
=
21
;
2
x
+
5
y
=
−
3
Step: Solve
3
x
−
y
=
21
for y:
3
x
−
y
+
−
3
x
=
21
+
−
3
x
(Add -3x to both sides)
−
y
=
−
3
x
+
21
−
y
−
1
=
−
3
x
+
21
−
1
(Divide both sides by -1)
y
=
3
x
−
21
Step: Substitute
3
x
−
21
for
y
in
2
x
+
5
y
=
−
3
:
2
x
+
5
y
=
−
3
2
x
+
5
(
3
x
−
21
)
=
−
3
17
x
−
105
=
−
3
(Simplify both sides of the equation)
17
x
−
105
+
105
=
−
3
+
105
(Add 105 to both sides)
17
x
=
102
17
x
17
=
102
17
(Divide both sides by 17)
x
=
6
Step: Substitute
6
for
x
in
y
=
3
x
−
21
:
y
=
3
x
−
21
y
=
(
3
)
(
6
)
−
21
y
=
−
3
(Simplify both sides of the equation)
Answer:
y
=
−
3
and
x
=
6

7 0
3 years ago
Joe works for a charity. Each year the charity gives money to different projects. The charity has a total of eight thousand nine
baherus [9]

Answer:

Each =\pounds 1121

Step-by-step explanation:

See comment for complete question.

Given

Total =  \pounds 8968

Projects = 8

Required

Determine the amount allotted to each

From the question, we understand that each project gets each allocation.

So, the amount of each is:

Each =\frac{Total}{Projects}

Each =\frac{\pounds 8968}{8}

Each =\pounds 1121

<em>Each project gets £1121</em>

7 0
2 years ago
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