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Elenna [48]
3 years ago
8

How many solutions does y=−2x−4 y=3x+3 have ​

Mathematics
2 answers:
Wewaii [24]3 years ago
8 0

Answer:

There is one solution

sp2606 [1]3 years ago
4 0

Answer:

It has one (-1.4,-1.2)

Step-by-step explanation:

I graphed both lines on desmos graphing calculator and they only crossed at one point.

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Steve has overdrawn his checking account by 27$. His bank account charged him 15$ for an overdraft fee. Then he quickly deposite
Oxana [17]
112. Subtract the fee and add the deposit
4 0
3 years ago
What is the true solution In 20+In 5=2 In x?
S_A_V [24]

Answer:

x = 10

Step-by-step explanation:

Using the rules of logarithms

• log x + log y ⇔ log(xy)

• logx^{n} ⇔ n log x

• log x = log y ⇒ x = y

Given

ln20 + ln5 = 2 lnx , then

ln(20 × 5) = lnx^{2}

ln 100 = lnx^{2}, hence

x² = 100 ( take the square root of both sides )

x = 10

7 0
3 years ago
4h = 17 <br> what is the letter H?
Dafna1 [17]

Answer:

4.25

Step-by-step explanation:

6 0
2 years ago
from a window 24 feet above the ground, the angle of elevation to the top of another building is 38 degrees. The distance betwee
Delvig [45]

Answer:

The  height of the building is 73.2\ ft

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

In the right triangle ABC

tan(38\°)=\frac{BC}{AB}

we have

AB=63\ ft

substitute and solve for BC

tan(38\°)=\frac{BC}{63}

BC=(63)tan(38\°)=49.2\ ft

Find the height of the building

The  height of the building (h) is equal to

h=BC+24=49.2+24=73.2\ ft

6 0
2 years ago
What is an equivalent expression to 48x - 30?
mars1129 [50]
An equivalent expression would be 6(8x - 5)
3 0
3 years ago
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