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wel
3 years ago
10

What is 26^4 +x)=65??

Mathematics
1 answer:
Lunna [17]3 years ago
4 0

I'm not sure if this is correct but here is the answer:

Exact form:

x=-3/2

decimal form:

x=-1.5

mixed number form:

x=-1 1/2

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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Lincoln buys milk and oranges at the store.
podryga [215]

Answer: $6.24

Step-by-step explanation:

41.63-4.19= 37.44

37.44/6=6.24

8 0
2 years ago
Read 2 more answers
Find the perimeter and area of each figure.​
Sergio039 [100]

Answer:

  1. A = 2x; P = 4x+2. A = 4; P = 10.

  2. A = y² +2; P = 4y +2. A = 27; P = 22.

Step-by-step explanation:

1. The area is the sum of the marked areas of each of the tiles:

  A = x + x

  A = 2x

__

The perimeter is the sum of the outside edge dimensions of the tiles. Working clockwise from the upper left corner, the sum of exposed edge lengths is ...

  P = 1 + (x-1) + x + 1 + (x+1) + x

  P = 4x +2

__

When x=2, these values become ...

  A = 2·2 = 4 . . . . square units

  P = 4·2+2 = 10 . . . . units

_____

2. Again, the area is the sum of the marked areas:

  A = y² + 1 + 1

  A = y² +2

__

The edge dimension of the square y² tile is presumed to be y, so the perimeter (starting from upper left) is ...

  P = y +(y-2) +1 +2 +(y+1) +y

  P = 4y +2

__

When y=5, these values become ...

  A = 5² +2 = 27 . . . . square units

  P = 4·5 +2 = 22 . . . . units

4 0
3 years ago
What is the number whose 4/5 is 144
Savatey [412]

We want 4/5 of a number to be 144. This means that

\dfrac{4}{5} \cdot x = 144

Multiplying both sides by 5/4, we have

x = \dfrac{144\cdot 5}{4} = 180

4 0
3 years ago
Find the 7th term of the geometric sequence –4, 12, –36, 108, –324,...
maks197457 [2]

Answer:

a

Step-by-step explanation:

a=-4 r=12/-4=-3

T7= ar^n-1

= (-4)(-3)^7-1

=-2916

5 0
3 years ago
The ratio of violinists to cellists in the school orchestra must always be 7:3. If the school orchestra has 21 violinists, what
Papessa [141]

Given:

Violinists : Cellists = 7:3.

Number of violinists in the school orchestra = 21

To find:

The combined number of cellists and violinists.

Solution:

Let the number of violinists and cellists in the school orchestra are 7x and 3x respectively.

Then, combined number of cellists and violinists is

\text{Combined number of cellists and violinists}=7x+3x

\text{Combined number of cellists and violinists}=10x      ...(i)

Number of violinists in the school orchestra = 21

7x=21

Divide both sides by 7.

x=3

Now, the combined number of cellists and violinists is

\text{Combined number of cellists and violinists}=10(3)    [Using (i)]

\text{Combined number of cellists and violinists}=30

Therefore, the combined number of cellists and violinists is 30.

5 0
2 years ago
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