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3 years ago

Solve the equation 7x - 12 = 23 What is the answer

Mathematics

2 answers:

siniylev [52]3 years ago

8 0

The answer is 5 I have shown my work in the picture

adell [148]3 years ago

4 0

7x-12=23
+12 +12

7x = 35
————
7 7

X= 5

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Pls help the question is here (12points) DUE TO DAY

scZoUnD [109]

Answer:

$\bf Area= 90\;in$

Step-by-step explanation:

Area of ABCD = L * W

$\bf 6\times 12$

$\bf 72 \;in^2$

Area of EFGC:- L * W

$\bf 6 \times 3$

$\bf 18\; in^2$

Now, the area of the combind rectangles:-

ABCD + EFGC

$\bf 72+18$

$\boxed{\bf 90\; in}$

5 0

2 years ago

Mr. Malone made a graph to represent the time his students spent studying for their tests throughout the unit and their actual t

denis-greek [22]

Answer:

a. 4/3

b. Test scores in percentage

c. y=4/3x +50

d. 78

8 0

3 years ago

Find the length of the hypotenuse. The measure of the hypotenuse?

Eduardwww [97]

Answer:

Since it's a right angled triangle

Hypotenuse = h

h² = 7²+24²

h= √49 + 576

h = √625

h= 25

Therefore hypotenuse is 25

Hope this helps.

8 0

3 years ago

Read 2 more answers

The data shown represent the number of runs made each year during Bill Mazeroski’s career. Check for normality.

const2013 [10]

Answer:

The given data is not normal.

Step-by-step explanation:

We are given the following data:

30, 59, 69, 50, 58, 71, 55, 43, 3, 66, 52, 56, 62, 36, 13, 29, 17, 31

Condition for normality:

Mean = Mode = Median

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{800}{18} = 44.44$

Mode is the most frequent observation of the data.

Since all the value appeared once, there is no mode.

$Median:\\\text{If n is odd, then}\\\\Median = \displaystyle\frac{n+1}{2}th ~term \\\\\text{If n is even, then}\\\\Median = \displaystyle\frac{\frac{n}{2}th~term + (\frac{n}{2}+1)th~term}{2}$

Sorted data: 3, 13, 17, 29, 30, 31, 36, 43, 50, 52, 55, 56, 58, 59, 62, 66, 69, 71

Median =

$=\dfrac{9^{th}+10^{th}}{2} = \dfrac{50+52}{2}=51$

Since the mean, mode and median of data are not equal, the data is not normal.

7 0

3 years ago

Toucans and blue-and-yellow macaws are both tropical birds. The length of the toucan in the picture to the right is about two t

Sergeu [11.5K]

Answer:

The length of the blue-and-yellow macaw is 42 in

Step-by-step explanation:

Let

x ----> the length of the toucan in inches

y ----> the length of the blue-and-yellow macaw in inches

we know that

$x=\frac{2}{3}y$ ----> equation A

$x=28$ ----> equation B

substitute equation B in equation A and solve for y

$28=\frac{2}{3}y$

Multiply by 3 both sides to remove the fraction

$28(3)=2y$

Divide by 2 both sides

$y=\frac{28(3)}{2}=42\ in$

therefore

The length of the blue-and-yellow macaw is 42 in

3 0

4 years ago