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docker41 [41]
3 years ago
10

–5x+8y= 10 7x-2y= -14

Mathematics
1 answer:
Lostsunrise [7]3 years ago
7 0

Answer:

x=2,y=0

(You did not provide enough information for me to know what to do with said equations, so I'm assuming it was System of Equations.)

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the scientist's collection that has granite that weighs 74 26/36 lbs, marble that weighs 63 16/34 lbs, and quartz that weighs 81
Viktor [21]

Answer:

(D)6 1/2 lbs

Step-by-step explanation:

\text{Weight of the quartz = }81 \dfrac{9}{40} \text{ lbs}\\\dfrac{9}{40}=0.225 \\$Therefore:$ 81 \dfrac{9}{40} \approx 81.25\text{ lbs (to the nearest 1/4 lbs)}\\\text{Weight of the granite = }74 \dfrac{26}{36} \text{ lbs}\\ \dfrac{26}{36}=0.722 \\$Therefore:$74 \dfrac{26}{36} \approx 74.75\text{ lbs (to the nearest 1/4 lbs)}

Difference = 81.25 - 74.75

=6.5 lbs

The correct option is D.

8 0
4 years ago
Alexis has -4 points in a game that she is playing. After her next turn, she ends up with 18 points. How many points must she ha
Lostsunrise [7]

Answer:

20

Step-by-step explanation:

4 0
3 years ago
Which products have the same sign as (Negative 2 and StartFraction 3 over 7 EndFraction) (Negative StartFraction 6 over 11 EndFr
Nimfa-mama [501]

Multiplication is the process of multiplying. The products that have the same sign as the product of -2 3/7 and -6/11 are B and D.

<h3>What is multiplication?</h3>

Multiplication is the process of multiplying, therefore, adding a number to itself for the number of times stated. For example, 3 × 4 means 3 is added to itself 4 times, and vice versa for the other number.

The product of two positive numbers and the product of two negative numbers both are positive while the product of a negative number and a positive number is negative. Therefore, the product of -2 3/7 and -6/11 is positive, since both are negative.

A.) 3/8 × (-6/7) = Negative

B.) 1 2/9 × 2 6/17 = Positive

C.) -9/20 × 3 4/5 = Negative

D.) -1/3 × -2/3 = Positive

Hence, the products that have the same sign as the product of -2 3/7 and -6/11 are B and D.

Learn more about Multiplication:

brainly.com/question/14059007

#SPJ1

7 0
3 years ago
In 1 hour the employee dropped 635 chocolates. If this represents 25% of the days chocolate molds, how many chocolates were plan
Zinaida [17]

Answer:

2540

Step-by-step explanation:

25% is a quarter of 100% so if 635 is 25% you multiple 635 x 4 to get your final answer concluding in 2540. if i'm wrong let someone else correct me :b

4 0
3 years ago
Help ASAP! WIll give brainlyest!
UkoKoshka [18]

Answer:

Step-by-step explanation:

f(x) = ln x

g(x) = - f(x - 4)

g(x) = - ln (x - 4)

g(5) = - ln (5 - 4) = - ln 1 = 0

4 0
3 years ago
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