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a_sh-v [17]
3 years ago
10

I need help with this (write an inequality)​

Mathematics
2 answers:
docker41 [41]3 years ago
7 0

A is 9-Xiamen greater than 50

kipiarov [429]3 years ago
3 0

Answer:

A.)x-9>20

B.) x-7>12

C.) 8×y>16

D.) y÷7 ≤-5

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An investor invested a total of $2,800 in two mutual funds. One fund earned 5% profit while the other earned 3% profit. If the i
Natasha_Volkova [10]

Answer:

The amount invested in the mutual fund that earned 5% was $1,000

The amount invested in the mutual fund that earned 3% was $1,800

Step-by-step explanation:

Let

x ----> the amount invested in the mutual fund that earned 5%

y ----> the amount invested in the mutual fund that earned 3%

we know that

x+y=2,800 ----> y=2,800-x ----> equation A

5\%=5/100=0.05

3\%=3/100=0.03

0.05x+0.03y=104 ----> equation B

Solve the system by substitution

substitute equation A in equation B

0.05x+0.03(2,800-x)=104

Solve for x

0.05x+84-0.03x=104

0.05x-0.03x=104-84

0.02x=20

x=\$1,000

<em>Find the value of y</em>

y=2,800-x

y=2,800-1,000=\$1,800

therefore

The amount invested in the mutual fund that earned 5% was $1,000 and the amount invested in the mutual fund that earned 3% was $1,800

5 0
3 years ago
Choose the equation that matches the following situation: For a field trip, 24 students rode in cars and the rest filled three b
olchik [2.2K]

Answer:

96 = 24 + 3b

96 students in all, 24 in cars and the rest in 3 buses

8 0
3 years ago
One option in a roulette game is to bet $ 6
Eduardwww [97]

Answer:

<h2>We have 47% of chances to win those six bucks.</h2>

Step-by-step explanation:

In this problem we need to find the probabilty of winning thos $6.

According to the problem, we win $6 if we hit one red. We know that there are 18 red compartments, 18 black compartments and 2 neither red nor blakc, for a total of 38 compartments.

We need to use the standard probabilty definition which is the ratio between the number of events and the total number of outcomes. So,

P=\frac{18}{38} \approx 0.47

Which is equivalent to 47% of chances.

Therefore, we have 47% of chances to win those six bucks. (The Casino has the odds in their favor)

5 0
2 years ago
Find the value of X PLEASE HELP ME!!
Kisachek [45]

Answer:

A, or 8

Step-by-step explanation:

the total angle is 102, so we can subtract 54 from 102 to get 6x, then divide by 6.

102 -54 = 48/6 =8

3 0
2 years ago
Josie saw a sign advertising 6 ears of sweet corn for $1.50. how much would 15 ears of corn cost?
Arlecino [84]
$1.50/6= $0.25
$0.25* 15= $3.75
5 0
3 years ago
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