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Svet_ta [14]
3 years ago
12

Help please ? Number 4

Mathematics
1 answer:
abruzzese [7]3 years ago
4 0

The answer to number 4 is C. trapezoid

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Multiply 3.54 × 25.8 =
Airida [17]
91.3 Is the rounded answer
5 0
3 years ago
Read 2 more answers
Uses 10 4/5 oz of icing for every 1/4 of a cake what is the unit rate in ounces of icing for cake
Anton [14]
1 whole cake= 1/4 + 1/4 + 1/4 + 1/4
1/4= 0.25

So we multiply 10 4/5oz per 1/4 cake by four to find out how many ounces are needed for 1 whole cake.

T= total ounces for 1 whole cake
T= (1 ÷ cake portion)(# ounces)
T= (1/0.25)(10 4/5)
change mixed fraction to improper
T= (4)(54/5)
multiply 4 by the numerator
T= (4*54)/5
T= 216/5 ounces for whole cake

T= 43 1/5 ounces for whole cake

Hope this helps! :)
4 0
3 years ago
Find the value of x if the points (x,5) and (3,7) lie on the line whose slope is 4/7
muminat

Answer:

x = -4

Step-by-step explanation:

Write and solve an equation in which the slope from the definition of slope is on the left side and the given slope, 4/7, is on the right side:

        7 - 5          4

m = ---------- = --------

         3 - x         7

Simplifying with the aim to find the value of x:

2(7) = 4(3 - x), or 7 = 3 - x.  Then x = -4.

6 0
3 years ago
Explain how to do (2^-2/3^3)^4 i need to know how to do this.
cricket20 [7]

Answer:

((2^(-2))÷(3^3))^4=

Step-by-step explanation: expand

5 0
3 years ago
A set of a thousand numbers has a mean of zero.
Alona [7]

We want to find the mean of two elements in a set, given that we know the other elements of the set and the mean of the whole set.

The answer is: -490

-----------------------------

For a set with N elements {x₁, x₂, ..., xₙ} the mean is given by:

M = \frac{x_1 + x_2 + ... + x_n}{N}

Here we know that:

  • The mean of the set is 0.
  • The set has 1000 elements.
  • 998 of these elements are ones, the other two are A and B.

We want to find the mean of the values of A and B.

First, we can start by writing the equation for the mean:

\frac{1 + 1 + 1 + ... A + B}{1000}  = 0

We can rewrite this as:

1 + 1 + 1 +... + A + B = 0

And we have 998 ones, then:

1 + 1 + 1 +... + A + B = 998 + A + B = 0\\\\B = - 998 - A

Now we have B isolated.

With this, the mean of A and B can be written as:

\frac{A + B}{2}  = \frac{A - 980 - A}{2} = -490

So we can conclude that the mean of the other two numbers is -490.

If you want to learn more, you can read:

brainly.com/question/22871228

5 0
2 years ago
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