3 years ago

Find the value of x. 230° (x + 26) (x - 48)

Mathematics

1 answer:

Harlamova29_29 [7]3 years ago

6 0

190 is the value of x

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PLEASE HELP! SOLVE { X+Y=4 {7X+9Y=42

swat32

Answer:

Step-by-step explanation:

x + y = 4 ---------------(i)

x = 4-y

7x + 9y = 42 -----------(ii)

Plug in x = 4-y in equ (ii)

7*(4 - y) + 9y = 42

28 - 7y +9y = 42

28 + 2y = 42

2y = 42 - 28

2y = 14

y = 14/2

y = 7

x = 4 - y

x = 4 - 7

x = -3

5 0

3 years ago

Read 2 more answers

I am in need of some help :(It looks so simple yet I don't get how to do it. Can anyone help explain?(picture of question attach

Firdavs [7]

x = 14

Explanation:

height = x

base 1 = 98

base 2 = 2

Using altitude formula in geometric mean:

base 1/height = height/base 2

98/x = x/2

$\begin{gathered} \frac{98}{x}=\frac{x}{2} \\ \text{cross multiply:} \\ 2(98)\text{ = x}\times x \end{gathered}$ $\begin{gathered} 196=x^2 \\ \text{square root both sides:} \\ \sqrt[]{196}\text{ = }\sqrt[]{x^2} \\ x\text{ = }\sqrt[]{196} \\ x\text{ = 14} \end{gathered}$

5 0

1 year ago

It takes Linda 40 minutes to read 10 2/3 pages of a book. What is her average reading rate in pages per minute?

Vera_Pavlovna [14]

Answer:

4/15 pages per minute

Step-by-step explanation:

10 2/3=32/3

(32/3)/40

(32/3)(1/40)=32/120

simplify

4/15

8 0

3 years ago

Read 2 more answers

Abby sold half of her comic books and then bought seventeen more. She now has 32. With how many did she begin?

Art [367]

Answer:

15 because 32 - 17 = 15

Step-by-step explanation:

3 0

3 years ago

HELP PLEASEE ASAP The zero of F ^-1(x) in F(x) = x + 3 is -3 0 3

Wewaii [24]

F(x) = x + 3

y = x + 3
y - 3 = x

so
F ^-1(x) = x - 3

The zero of F ^-1(x) is -3

answer is

-3

7 0

3 years ago