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3 years ago

I need help plss I just want to make sure if it’s right or wrong on this answer

Mathematics

1 answer:

kkurt [141]3 years ago

8 0

Answer:

9<BAM OR <ABM

10.BM

11.<BAM AND<ABM

12.CF

13.<CKD

14.<JHF

15.JE ( in only one direction)

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Solve for x, given the equation Square root of x plus 9 − 4 = 1.

Daniel [21]

ANSWER

The value of x is
$16.$

EXPLANATION

We want to solve the equation,

$\sqrt{x + 9} - 4 = 1$

The first step is to add 4 to both sides of the equation to obtain,

$\sqrt{x + 9} = 1 + 4$

We simplify the right hand side to obtain,

$\sqrt{x + 9} = 5$

We now square both sides of the equation to obtain,

$(\sqrt{x + 9} ) ^{2} = {5}^{2}$

This simplifies to

$x + 9= 25$

We solve for x to obtain,

$x = 25 - 9$

This implies that,

$x = 16$

4 0

3 years ago

A pizza shop delivered 17 pepperoni pizzas to a college on the first night of final exams. The total cost of the pizzas was &amp

Allushta [10]

Answer:

Step-by-step explanation:

Let x = number of small pizzas

Let y = number of medium pizzas

Let z = number of large pizzas

Total weight of pizza = 9 *16 +8 = 152

Total pizza = 17

Total amount = $153

x + y + z = 17 - equation 1

4x + 6y + 15z = 153 - equation 2

3x + 9y + 14z = 152 - equation 3

from equation 1, x = 17 -y -z - equation *

substitute in both 2 and 3

4(17 -y -z) + 6y + 15z = 153 ---- 1

3(17 -y -z) +9y +14z = 152 --- 2

68 - 4y - 4z +6y + 15z = 153 ----i

51 - 3y - 3z + 9y + 14z = 152 ---ii

2y + 11z = 85 ---1

6y +11z = 101 ----2

equation 2 minus equation 1

4y = 16 => y = 4

substitute y in equation 1

8 + 11z = 85 => 11z = 77 => z = 7

subtitute y as 4 and z as 7 in equation *

x = 17 - 4 -7 => x = 6

So, 6 small pizzas, 4 medium and 7 big pizzas were delivered

8 0

4 years ago

Convert 30/20 into decimal

vekshin1

The answer for this would be 1.5

7 0

4 years ago

Read 2 more answers

Kitchen sets at a furniture store.

Alona [7]

Answer: yes

Step-by-step explanation:

4 0

4 years ago

What is the least common denominator of 9,8,6,5

Alex

Answer:

Step-by-step explanation:

LCD = 1

Equivalent Fractions with the LCD

9 = 9/1

8 = 8/1

6 = 6/1

5 = 5/1

Solution:

Rewriting input as fractions if necessary:

9/1, 8/1, 6/1, 5/1

For the denominators (1, 1, 1, 1) the least common multiple (LCM) is 1.

LCM(1, 1, 1, 1)

Therefore, the least common denominator (LCD) is 1.

Calculations to rewrite the original inputs as equivalent fractions with the LCD:

9 = 9/1 × 1/1 = 9/1

8 = 8/1 × 1/1 = 8/1

6 = 6/1 × 1/1 = 6/1

5 = 5/1 × 1/1 = 5/1

4 0

4 years ago