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2 years ago

11

Measure of angle A : 3x

1 answer:

agasfer [191]2 years ago

5 0

Answer: 11 degrees

Step-by-step explanation:

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Solve 2x2 + 12x - 14 = 0 by completing the square

vovangra [49]

Answer:

<h2>x = -7 or x = 1</h2>

Step-by-step explanation:

$(a+b)^2=a^2+2ab+b^2\qquad(*)\\\\\\2x^2+12x-14=0\qquad\text{divide both sides by 2}\\\\x^2+6x-7=0\qquad\text{add 7 to both sides}\\\\x^2+2(x)(3)=7\qquad\text{add}\ 3^2=9\ \text{to both sides}\\\\\underbrace{x^2+2(x)(3)+3^2}_{(*)}=7+9\\\\(x+3)^2=16\Rightarrow x+3=\pm\sqrt{16}\\\\x+3=-4\ or\ x+3=4\qquad\text{subtract 3 from both sides}\\\\x=-7\ or\ x=1$

5 0

3 years ago

28 is equal to how many hundredths and tenths

natita [175]

Answer:

0 hundredths. 2 tenths and 8 ones

8 0

2 years ago

Read 2 more answers

PLS PLS PLS PLSSSSS HELPPP

Agata [3.3K]

Answer:

The regular bottle holds 9 fl oz of sun screen

Step-by-step explanation:

75% of 12 = 9

3 0

2 years ago

I need the answer please. Because I think i got mine wrong

Gekata [30.6K]

Answer:

see explanation

Step-by-step explanation:

Using the rules of exponents

• $a^{-m}$ ⇔ $\frac{1}{a^{m} }$

• $a^{0}$ = 1

• $a^{m}$ × $a^{n}$ ⇔ $a^{(m+n)}$

Given

(a)

$8^{-2}$ = $\frac{1}{8^{2} }$

(b)

$\frac{1}{3^{-3} }$ = 3³

(c)

$6^{-12}$ × $6^{8}$ × $6^{0}$

= $6^{(-12+8)}$ × 1

= $6^{-4}$

= $\frac{1}{6^{4} }$

7 0

3 years ago

Read 2 more answers

Write the following as an algebraic expression. Then simplify.

Ratling [72]

The sum of three even consecutive integers if the first integer is y will be 3y + 6.

First integer = y

Second integer = y + 2

Third integer = y + 4

Therefore, based on the expressions given above, the sum of the three integers will be:

= y + y +2 + y + 4

= 3y + 6

Therefore, the sum will be 3y + 6.

Read related link on:

brainly.com/question/24733295

5 0

1 year ago