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3 years ago

11

Sove

iddle" class="latex-formula">

2 answers:

riadik2000 [5.3K]3 years ago

5 0

Answer:

X=6

Step-by-step explanation:

you add 5 on ther side, then add 7, and 5 together. then divide 2 on the other side

Ronch [10]3 years ago

5 0

Answer:

x=6

Step-by-step explanation:

2x-5=7

add 5 on both sides:

2x-5+5=7+5

2x=12

Divide by 2:

x=6

Hope this helps!

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Help! Please and thank you!

lys-0071 [83]

a) value of x:

ZX =(10x+9)°

122°=( 10x+9)

122 - 9= 10x

113= 10x

x = 113/10= 11.3 °

so answer is = 11.3°

b) measure of Arc XZ :

formula to find Arc= © angle÷360 x 2πr

A = 122÷360 x 2πr

A = 61/180x 2πr

A = 0.3388x2πr

A= 0.6776πr

4 0

3 years ago

Read 2 more answers

At a high school, students can choose between three art electives, four history electives, and five computer electives. Each stu

V125BC [204]

Answer:

$\frac{^3C_1\times ^4C_1}{^{12}C_2}$

Step-by-step explanation:

Given,

Art electives = 3,

History electives = 4,

Computer electives = 5,

Total number of electives = 3 + 4 + 5 = 12,

Since, if a student chooses an art elective and a history elective,

So, the total combination of choosing an art elective and a history elective = $^3C_1\times ^4C_1$

Also, the total combination of choosing any 2 subjects out of 12 subjects = $^{12}C_2$

Hence, the probability that a student chooses an art elective and a history elective = $\frac{\text{Total combination of choosing an art elective and a history}}{\text{ Total combination of choosing any 2 subjects}}$

$=\frac{^3C_1\times ^4C_1}{^{12}C_2}$

Which is the required expression.

3 0

3 years ago

Read 2 more answers

0.05 is 1/10 of what

Gennadij [26K]

Answer:

.5

Step-by-step explanation:

.5 times 1/10 is .05. move the decimal over!

4 0

3 years ago

A scuba diver returning to the surface swims to move up quickly, then waits a few meters below the surface to avoid pressure iss

Juliette [100K]

Given:

The function f represents the diver's distance from sea level over time, in seconds.

$f(x)=\begin{cases}3x+1 & \text{ if } -9$

To find:

The correct statement for the domain.

Solution:

Domain is the set of input values for which the function is defined.

Here, x values are the input values and they represent time intervals on which the function is defined

Here, the possible intervals for x are $-9$ .

$Domain=(-9,-2]\cup (-2,1]\cup (1,7)$

$Domain=(-9,7)$

Therefore, the domain is the time interval (−9, 7). Hence the correct option is A.

4 0

3 years ago

In the figure, name four points that are coplanar.

Alja [10]

Answer:

CKAG are the coplanar points given, as they all fall on the closest triangular face.

4 0

3 years ago