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galben [10]
3 years ago
13

Solve for the unknown variable. -4 = d + 3 5

Mathematics
2 answers:
Troyanec [42]3 years ago
7 0
He is correct ^^^^^ !!
svetlana [45]3 years ago
3 0

Answer:

d=-39

Step-by-step explanation:

-4=d+35 -35 on both sides to get d=-39

Now let's check:

-39+35=-4

Is this correct? Yes!

Hope this helps :D

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Multiply (4x-3w)(5x-7w)
andre [41]

Answer:

20x² - 43xw + 21w²

Step-by-step explanation:

We use FOIL to expand the expression:

F - First

4x(5x) = 20x²

O - Outside

4x(-7w) = -28xw

I - Inside

-3w(5x) = -15xw

L - Last

-3w(-7w) = 21w²

20x² - 28xw - 15xw + 21w²

Combine like terms and add up using correct signs and you should get your answer.

3 0
3 years ago
Read 2 more answers
Carla and Jonah are working together to determine if quadrilateral CDEF with coordinates C(2, 3), D(1, 2), E(4, 1), and F(5, 3)
alukav5142 [94]

Answer:

Option (B)

Step-by-step explanation:

CDEF is a quadrilateral having vertex C(2, 3), D(1, 2), E(4, 1), F(5, 3).

To prove that the given quadrilateral has a right angle, we will use the property of perpendicular lines.

m_1\times m_2=-1

where m_1 and m_2 are the slopes of the consecutive sides of the quadrilateral.

Since CD and DE are the consecutive sides of the quadrilateral, Carla is on the right track by finding the slopes of CD and DE.

Since Jonah is finding the slopes of opposite sides so he will not be able to use the property of perpendicular lines.

Option (B) will be the answer.

3 0
3 years ago
* this is pretty difficult for me , provide details if necessary * // ANSWER ASAP //
fredd [130]

Answer:

A.

Step-by-step explanation:

1 radian = 180/π

So

Multiplying both sides by 25π/18

We'll get,

25π/18 (r) = (180/π)×(25π/18)

= (180×25)/18

= 10×25

= 250 degrees

5 0
4 years ago
Your patient weighs 15 kg and is scheduled for to have an abdominal exploratory. You are instructed to provide 0.9% sodium chlor
kumpel [21]

Answer:

V_f=450ml/hr

Step-by-step explanation:

From the question we are told that:

Mass m=15kg

Amount of NaCl IV n=0.9\%

Rate R=30ml/kg/hr

Generally the equation for fluid rate be for your IV pump is mathematically given by

V_f=mR

Since

Rate is

30ml/kg/hr at 1kg patient Weight

Therefore

V_f=15*30

V_f=450ml/hr

6 0
3 years ago
Try to fill in the missing numbers using 1,2,3,4,5,6,7,8,9 only once each?
alexandr402 [8]
Nine plus one ten
nine plus two eleven
nine plus three twelve
nine plus four thirteen
nine plus five fourteen
nine plus six fifteen
and so on... until eighteen
Then use multiplication with different combinations of the numbers.
5 0
3 years ago
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