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3 years ago

What punctuation makes this sentence correct

Mathematics

2 answers:

Anastasy [175]3 years ago

7 0

A comma after taco and burrito

likoan [24]3 years ago

6 0

He ate a taco, burrito, and nachos for lunch

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Solve the literal question 2a-b.=8b-4a for a

Anna71 [15]

Just good ole algebraic manipulation
$2a - b = 8b - 4a$
First, Let's Combine Common Terms

$(2a + 4a) = (8b + 1b) \\ 6a = 9b$
Now Let's Divide

$\frac{6a}{6} = \frac{9b}{6} \\ a = \frac{9b}{6}$
Let's Simplify That Fraction

$a = \frac{9}{6} \times \frac{b}{1} \\$
Answer

$a = \frac{3b}{2} \:$

4 0

3 years ago

30 x 10 by the power of 2

Charra [1.4K]

Answer:

90,000

Step-by-step explanation:

30*10=300

300 to the second power is the same as 300*300

300*300=90,000

7 0

3 years ago

Read 2 more answers

Yasmine estimated the difference of 87.71 and 5.8 by rounding each number to the nearest whole. What was Yasmine's estimate, and

Alex73 [517]

Answer:

Yasmine estimated the difference to be 82. The actual difference is 81.91.

Step-by-step explanation:

The rounded whole number of 87.71 is 88 and the rounded whole number of 5.8 is 6.

So, the difference between the numbers 87.71 and 5.8 by rounding each number to the nearest whole numbers will be

(88 - 6) = 82.

The actual difference between the numbers 87.71 and 5.8 is (87.71 - 5.8) = 81.91.

Therefore, Yasmine estimated the difference to be 82. The actual difference is 81.91. (Answer)

3 0

3 years ago

Help i forgot how to do this

Romashka [77]

Answer:

a=3/5 or 0.6

Step-by-step explanation:

a-8/5-2/3a=-7/5

Step 1: Multiply both sides

15a-24-10a=-21

Step 2: Combine like terms

5a-24=-21

Step 3: Calculate and divide both sides by 5

5a=3

Solution:

a=3/5 or 0.6

5 0

2 years ago

In circle J with mZHLK = 18, find the mZHJK.

zysi [14]

Answer:

The measure of angle HJK is 36°

Step-by-step explanation:

In a circle, the measure of the inscribed angle equal half the measure of the central angle subtended by the same arc

In circle J

∵ J is the center of the circle

∵ H and K lie on the circle

∴ ∠HJK is a central angle subtended by arc HK

∵ L lies on the circle

∴ ∠HLK is an inscribed angle subtended by arc HK

→ By using the rule above

∵ ∠HJK and ∠HLK are the central angle and inscribed angle

subtended by the same arc HK

∴ m∠HLK = $\frac{1}{2}$ m∠HJK

∵ m∠HLK = 18°

∴ 18 = $\frac{1}{2}$ m∠HJK

→ Multiply both sides by 2

∴ 36 = m∠HJK

∴ The measure of angle HJK is 36°

3 0

3 years ago