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MissTica
3 years ago
10

20 points and i’ll mark brainliest:)

Mathematics
1 answer:
monitta3 years ago
3 0

Answer:

1-2 2- AAhhhhhh i cant it's really hard okay im in your grade tho i think

Step-by-step explanation:

sorry cant graph it they my weakness (number lines)

Im sorry i couldnt answer

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5r-8=9r-12 answer this plsss
Hunter-Best [27]

Answer:

R=1

Step-by-step explanation:

5

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8

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8

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9

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ask you teacher how to solve linear equation he or she could help with that

6 0
3 years ago
An investor invested a total of ​$3 comma 500 in two mutual funds. One fund earned a 4​% profit while the other earned a 2​% pro
lesya [120]

Answer:

$2000 invested in first fund

$1500 invested in second fund

Step-by-step explanation:

An investor invested a total of ​$3,500 in two mutual funds.

Let x be the amount invested in first fund

first fund earned a 4​% profit (4%= 0.04)

So interest is 0.04x for first fund

Let x be the amount invested in first fund

first fund earned a 4​% profit (4%= 0.04)

So interest is 0.04x for first fund

Let y be the amount invested in second fund

second fund earned a =2​% profit (2%= 0.02)

So interest is 0.02y for second fund

An investor invested a total of ​$3,500 in two mutual funds.

So x+y = 3500----> equation 1

y= 3500-x

the​ investor's total profit was ​$110

0.04x + 0.02y = 110----> equation 2

Plug in 3500 -x for y

0.04x + 0.02(3500-x) = 110

0.04x + 70 - 0.02x = 110

0.02x + 70 = 110

Subtract 70 onboth sides

0.02x = 40

Divide both sides by 0.02

x= 2000

y= 3500-x

so y= 3500 - 2000 = 1500

$2000 invested in first fund

$1500 invested in second fund



3 0
3 years ago
Write 8400 in standard form​
leva [86]

Answer:

it is in standard form?

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Ab=6cm Ac=12 calculate the lenght of cd
Alchen [17]

This problem involves the uses of the Pythagorean Theorem as well as the use of Sine.

To start we need to identify what we know and what we don't know. We know that there are two triangles. We are given 2 sides lengths and an angle in one and only an angle in the other. They share one side meaning when we are given 2 sides in one triangle it will be easy to get the third side. What we don't know is the side length of CB DB or CD. We need to find CB in order to find CD.

<em>Pythagorean Theorem for side length CB:</em>

12^2-6^2=√108

√108=10.4 (average)

So CB is equal to 10.4

<em>Sine Calculation for side length CD:</em>

Since we have angle 56* we will use the length we found which will be the opposite side from the angle and then input x for our hypotenuse CD in order to solve.

sin 56* = 10.4/x

sin 56* × x = 10.4/x × x

sin 56*x = 10.4

/sin 56*      /sin 56*

x = 12.544....

or 12.6 (average)

So, to conclude, our answer for CD is 12.6cm.

Hope I helped!

7 0
3 years ago
Read 2 more answers
Which choice shows the corresponding sides as equal ratios?
mr_godi [17]
The first one

Because you are dividing the second triangle by the first one
3 0
3 years ago
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