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Bingel [31]
3 years ago
7

What is the value of x in the equation 4(7x + 3) = 19? (5 points)

Mathematics
2 answers:
guapka [62]3 years ago
6 0

Answer:

gg

Step-by-step explanation:

wlad13 [49]3 years ago
4 0
The answer is x= 0.25

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In ΔSTU, the measure of ∠U=90°, UT = 80, SU = 39, and TS = 89. What ratio represents the tangent of ∠S?
Vsevolod [243]

Answer:

\frac{80}{39}

Step-by-step explanation:

SOHCAHTOA

O =Opposite

A = Adjacent

H = Hpotenuse

If we draw it out we can see that the opposite side is the UT and adjacent side is SU for ∠S.

When an angle is asked for like here is S so the opposite side of the angle is the opposite side. and the angle close to it is the adjacent. The biggest side is the hypotenuse.

6 0
3 years ago
there was a total of $548 collected for the school play. the adult tickets cost $6 and the student tickets cost $4. if 12 more s
balandron [24]
You can first make the equations:

6x+4y=548
y-12=x

Here, you can use the substitution method and you get:

6(y-12)+4y=548
6y-72+4y=548
10y=620
y=62

Then there are 62 student tickets and 50 adult tickets.

7 0
3 years ago
Read 2 more answers
How do you solve this equation shown?<br> 5x - 3(x + 9) + 10 = 4
timofeeve [1]
X=21/2
X=10.5
X=10 1/2
There all right
Pls mark me brainliest
6 0
3 years ago
Read 2 more answers
Solve the system of equations by graphing. x+y=-7, 2x+y=6
kiruha [24]

Step-by-step explanation:

I hope this is right, I used demos

8 0
3 years ago
Read 2 more answers
At the beginning of an experiment, there are 400 grams of contaminants. Each hour, three-fourths of the contaminants are filtere
Bogdan [553]

Answer:

18.75

Step-by-step explanation:

first hour: 400×(1/4) = 100

second hour: 100×(1/4) = 25

third hour: 25×(1/4) = 18.75

3 0
3 years ago
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